NASA has just released an animation of visible and infrared satellite data from NOAA's GOES-East satellite that shows the development and movement of the weather system that spawned tornadoes affecting seven central and southern U.S. states on April 27-28, 2014. NASA's Aqua satellite captured infrared data on the system that revealed powerful storms, high into the troposphere.
This storm system generated reports of tornadoes from Nebraska, Kansas, Iowa, Oklahoma, Arkansas, Louisiana, and Mississippi.
Coupled with local weather observations, soundings, and computer models, data from satellites like NOAA's Geostationary Operational Environmental Satellite or GOES-East (also known as GOES-13) gives forecasters information about developing weather situations. In real-time, the NOAA's GOES-East satellite data in animated form showed forecasters how the area of severe weather was developing and moving.
NOAA's GOES-East satellite sits in a fixed orbit in space capturing visible and infrared imagery of weather over the eastern U.S. and Atlantic Ocean. The GOES-East satellite is operated by the National Oceanic and Atmospheric Administration. NASA/NOAA's GOES Project at the NASA Goddard Space Flight Center in Greenbelt, Md. created the animation of GOES-East satellite data that covered the period during the tornado outbreak.
The GOES-East animation of visible and infrared imagery runs 31 seconds. The animation begins on April 27 at 00:15 UTC (April 26 at 8:15 p.m. EDT) and runs through April 28 at 14:15 UTC/10:15 a.m. EDT. By 14:45 UTC/10:45 a.m. EDT on April 27 the animation shows the squall line of thunderstorms developing.
To create the video and imagery, NASA/NOAA's GOES Project takes the cloud data from NOAA's GOES-East satellite and overlays it on a true-color image of land and ocean created by data from the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument that flies aboard NASA's Aqua and Terra satellites. Together, those data created the entire picture of the storm system and show its movement.
A NASA satellite also captured an image of the storm, collecting infrared data on it as it passed overhead on April 27. At NASA's Jet Propulsion Laboratory (JPL) in Pasadena, Calif. a false-colored image was created of the storm system using data gathered by the Atmospheric Infrared Sounder (AIRS) instrument that flies aboard NASA's Aqua satellite on April 27 at 18:59 UTC (1:59 p.m. CDT). The AIRS image showed very cold cloud top temperatures indicating that the thunderstorms had strong uplift that pushed cloud tops to the top of the troposphere. Some of those thunderstorms had cloud tops as cold as 200 kelvin (-99.6 F/-73.1C). Temperatures drop to just under 220 degrees kelvin at the top of the troposphere (and where the tropopause begins).
"AIRS data shows spatial extent of strong convection [rapidly rising air that condenses and forms clouds] in the slow-moving severe storm system that spawned tornadoes in Arkansas, Oklahoma and Iowa," said Ed Olsen, creator of the AIRS image at NASA JPL. The AIRS image showed the thunderstorms with coldest cloud top temperatures stretched from eastern Nebraska, through western Iowa, western Missouri, northern Arkansas and southeast into northern Mississippi and Alabama.
According to the Examiner.com, the National Weather Service’s Storm Prediction Center counted 31 tornadoes on Sunday, April 27, however, that number is being refined as reports are analyzed.
CBS News reported that one tornado touched down 10 miles west of Little Rock, Arkansas around 7 p.m. CDT (at around 22:02 UTC in the GOES animation) and stayed on the ground for about 80 miles passing near several suburbs north of the city. That tornado was reported to be one-half mile wide.
The same system that spawned these tornadoes is expected to bring the possibility for severe weather further east on April 28 from Cincinnati, Ohio to New Orleans, La. For more information about current risks for severe weather, visit NOAA's Storm Prediction Center at: http://www.spc.noaa.gov.
GOES satellites provide the kind of continuous monitoring necessary for intensive data analysis. Geostationary describes an orbit in which a satellite is always in the same position with respect to the rotating Earth. This allows GOES to hover continuously over one position on Earth's surface, appearing stationary. As a result, GOES provide a constant vigil for the atmospheric "triggers" for severe weather conditions such as tornadoes, flash floods, hail storms and hurricanes.
To download the GOES animation: http://goes.gsfc.nasa.gov/pub/goes/QTmovies/140427-8_tornados.mov
For updated information about the storm system, visit NOAA's NWS website: www.weather.gov
Following is a list of (preliminary) tornado reports from NOAA's Storm Prediction Center for April 27, 2014 (1200 UTC - 1159 UTC)
Time Location County State Lat Lon Comments
1929 1 N UPLAND FRANKLIN NE 4033 9890 TORNADO ON THE GROUND FROM ABOUT 226 TO 229. (GID)
2000 1 N FLORIS DAVIS IA 4088 9233 OBSERVER SAW A BRIEF TOUCHDOWN IN A FIELD. THERE WAS NO DAMAGE. (DMX)
2000 LOVILIA MONROE IA 4114 9291 TORNADO TOUCHDOWN OBSERVED. HOUSE ROOFS TORN OFF. TREES SNAPPED OFF. (DMX)
2012 1 N FLORIS DAVIS IA 4088 9233 OBSERVER REPORTS GUSTNADO AT 312 PM JUST AHEAD OF STORM ARRIVAL. DIRT KICKED UP IN FIELD PRIOR TO HEAVY RAIN. (DMX)
2141 2 NE MOUNT VERNON LINN IA 4194 9140 SPOTTERS REPORTED TORNADO ON GROUND NEAR LINN RIDGE ROAD AND HIGHWAY 1. IT WAS LIFTING BACK UP BY 442 PM. RELAYED BY EMERGENCY MANAGEMENT. (DVN)
2142 5 N BRADSHAW YORK NE 4096 9775 BRIEF TOUCHDOWN NEAR INTERSECTION OF ROADS 18/H THAT LASTED FOR 30-45 SECONDS. WILL PROVIDE VIDEO FOR VERIFICATION. NICKLE HAIL ONGOING AT 448 PM. (GID)
2142 SPRINGVILLE LINN IA 4206 9144 TORNADO TOUCHDOWN JUST SOUTH OF SPRINGVILLE. (DVN)
2218 5 W OSCEOLA POLK NE 4118 9764 BRIEF TOUCHDOWN LASTED APPROXIMATELY 1 MINUTE. VISUAL CONFIRMATION VIA LIVE STREAM. (GID)
2218 8 WNW OSCEOLA POLK NE 4122 9769 THIS IS A CORRECTED ... APPROXIMATE TORNADO LOCATION BASED ON STORM CHASER VIDEO AND RADAR DATA THAT SHOWS TORNADO WEST OF HIGHWAY 39. BRIEF TOUCHDOWN LASTED APPROXIMATEL (GID)
2232 QUAPAW OTTAWA OK 3695 9479 FIRE STATION DESTROYED. NORTH END OF TOWN SUSTAINED HEAVY DAMAGE. (TSA)
2239 BAXTER SPRINGS CHEROKEE KS 3702 9474 *** 25 INJ *** A TORNADO DAMAGED OR DESTROYED NUMEROUS HOMES AND SEVERAL BUILDINGS IN DOWNTOWN BAXTER SPRINGS. EMERGENCY MANAGEMENT REPORTED 25 INJURIES WITH 9 OF THOSE (SGF)
2240 HAMMOND BOURBON KS 3794 9469 A TORNADO PRODUCED AN INTERMITTENT DAMAGE PATH TO THE NORTHEAST OF HAMMOND AFTER DAMAGING A GRAIN ELEVATOR AND OVERTURNING A RAIL CAR. (SGF)
2249 3 ESE PRESCOTT LINN KS 3804 9465 TORNADO SEEN FROM VIDEO SHOT BY BROADCAST MEDIA. (EAX)
2259 5 ENE MARKS QUITMAN MS 3428 9019 TORNADO REPORTED MOVING FROM QUITMAN COUNTY INTO PANOLA COUNTY NEAR HOOD ROAD. WAS MOVING INTO FORESTED AREA. (MEG)
2300 3 WNW HUME LINN KS 3811 9463 TORNADO WAS STILL ONGOING AT THIS TIME BUT BEGINNING TO ROPE OUT PER BROADCAST MEDIA VIDEO. (EAX)
0025 ROLAND PULASKI AR 3490 9250 TORNADO IS REPORTED ON THE GROUND ... AND CONFIRMED BY STATE POLICE. (LZK)
0034 1 SE MAYFLOWER FAULKNER AR 3496 9241 TORNADO HAS CROSSED INTERSTATE 40 AT MILE MARKER 140. SPOTTER ESTIMATED HALF A MILE WIDE. (LZK)
0039 SALTILLO FAULKNER AR 3503 9233 SEVERAL HOUSES DAMAGED IN SALTILLO. (LZK)
0042 2 E MAYFLOWER FAULKNER AR 3497 9238 ARKANSAS GAME AND FISH HEADQUARTERS EAST OF MAYFLOWER HAS BEEN HEAVILY DAMAGED. (LZK)
0050 VILONIA FAULKNER AR 3508 9221 NUMEROUS HOUSES AND FAST FOOD RESTAURANT DAMAGED ... ALONG WITH NUMEROUS TREES DOWN. (LZK)
0050 DENMARK WHITE AR 3548 9158 STATE POLICE ARE REPORTING A TORNADO AT DENMARK. (LZK)
0050 PLEASANT PLAINS INDEPENDENCE AR 3555 9163 THERE IS A REPORT OF A TORNADO JUST SOUTHEAST OF PLEASANT PLAINS. (LZK)
0101 1 N EL PASO WHITE AR 3513 9208 STORM SPOTTERS HAVE CONFIRMED TORNADO AT HIGHWAY 64 AND HIGHWAY 5. (LZK)
0120 6 W SEARCY WHITE AR 3524 9184 HOUSE WAS DAMAGED ON BLOODWORTH ROAD. A POWER LINE WAS DOWN ON TANNER ROAD. NUMEROUS TREES WERE UPROOTED. (LZK)
0135 STEPROCK WHITE AR 3543 9169 TIN ON THE GROUND AND POWER LINES DOWN. (LZK)
0150 DENMARK WHITE AR 3548 9158 STATE POLICE ARE REPORTING A TORNADO AT DENMARK. (LZK)
0150 PLEASANT PLAINS, INDEPENDENCE AR 3555 9163 THERE IS A REPORT OF A TORNADO JUST SOUTHEAST OF PLEASANT PLAINS. (LZK)
0205 MACKS JACKSON AR 3562 9137 A TORNADO IS REPORTED NEAR MACKS. (LZK)
0205 3 E OIL TROUGH INDEPENDENCE AR 3563 9141 POWER LINES WERE DOWNED A FEW MILES EAST OF OIL TROUGH. (LZK)
0210 JACKSONPORT JACKSON AR 3564 9131 A TORNADO WAS REPORTED AT JACKSONPORT. (LZK)
0224 3 W CAMPBELL STATION JACKSON AR 3567 9131 SHERIFF HAS THREE DEPUTIES REPORTED TORNADO ON THE GROUND ON HIGHWAY 17. (LZK)
0813 5 ENE HOSSTON BOSSIER LA 3291 9381 *** 1 INJ *** HOME DAMAGED ON BUCKSHOT RD (SHV)
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