Alert archive / Georgia / Tornado Warnings in 2009

Tornado Warning 82, NWS Atlanta, GA

April 10, 2009Chattahoochee County, Muscogee County, Georgia

NWS Atlanta, GA issued this tornado warning at Apr 10, 2009, 9:02 PM EDT for Chattahoochee County, Muscogee County, Georgia. It was in force for 58 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 10, 2009, 9:02 PM EDT (01:02 UTC)
Expired
Apr 10, 2009, 10:00 PM EDT
In force
58 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Chattahoochee County, GA, Muscogee County, GA

What was reported inside it

TimeReportWhereRemark
Apr 10, 9:46 PM EDTTORNADO 16 Nw Cusseta, GATORNADO TOUCHED DOWN 2.5 MILES SOUTH OF OCHILLE TRACKED TO A POINT ABOUT 4 MILES TO THE SOUTHEAST. MAXIMUM PATH WIDTH 1/4 MILE AND MAXIMUM WINDS 100 MPH. TORNADO SPUNUP WITHIN A 2-MILE LONG AND TWO-MILE WIDE DOWNBURST PATH. COMBINED DAMAGED FROM THE DOWNBURST
Apr 10, 9:46 PM EDTTORNADOFort Benning, GA
Apr 10, 10:00 PM EDTTORNADO 0Ene Cusseta, GAA SECOND TORNADO WAS SPAWNED FROM THE SAME THUNDERSTORM THAT EARLIER SPAWNED A TORNADO JUST SOUTH OF OCHILLE. THIS TORNADO TOUCHED DOWN 2.5 MILES EAST-NORTHEAST OF CUSSETA AND TRACKED EAST-SOUTHEAST FOR APPROXIMATELY FOUR MILES. MAXIMUM PATH WIDTH 100 YARDS AN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 10, 6:31 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.0 hours before the alert went out and 196 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2009-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1068 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2009-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 348 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1068 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1433 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
348 m²/s²
0-3 km storm-relative helicity
390 m²/s²
Significant tornado parameter
1.5
Supercell composite
9.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS52 KFFC 110102
TORFFC
GAC053-215-110200-
/O.NEW.KFFC.TO.W.0082.090411T0102Z-090411T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
902 PM EDT FRI APR 10 2009

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  CHATTAHOOCHEE COUNTY IN WEST CENTRAL GEORGIA
  MUSCOGEE COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 1000 PM EDT

* AT 858 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 21 MILES WEST OF
  BIBB CITY...MOVING EAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BIBB
  CITY...COLUMBUS...FORT BENNING/LAWSON ARMY AIR FIELD...NORTH FORT
  BENNING AND CUSSETA.

THE TORNADO WILL CROSS THE CHATTAHOOCHEE RIVER INTO GEORGIA SHORTLY 
AFTER 930 PM. LARGE HAIL WILL LIKELY ARRIVE BEFORE THEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

&&

LAT...LON 3258 8505 3253 8463 3249 8463 3248 8465
      3222 8465 3224 8491 3227 8490 3231 8494
      3234 8501 3238 8498 3241 8498 3243 8497
      3245 8500 3253 8500
TIME...MOT...LOC 0100Z 289DEG 34KT 3251 8532

$$
5 follow-up statements
000 
WWUS52 KFFC 110113
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
913 PM EDT FRI APR 10 2009

GAC053-215-110200-
/O.CON.KFFC.TO.W.0082.000000T0000Z-090411T0200Z/
CHATTAHOOCHEE GA-MUSCOGEE GA-
913 PM EDT FRI APR 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR MUSCOGEE
AND CHATTAHOOCHEE COUNTIES...

AT 811 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 12 MILES WEST OF 
COLUMBUS...MOVING EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BIBB
CITY...LAUREL HILLS...ROSE HILL...COLUMBUS...AVONDALE...COLUMBUS
METROPOLITAN AIRPORT...HIGHLAND PARK...CARTER ACRES...EDGEWOOD...
BENNING PARK...FORT BENNING/LAWSON ARMY AIR FIELD...SAINT MARYS
HILLS...KENWOOD...BATTLE PARK...BENNING HILLS...CUSTER ROAD
TERRACE...FLAT ROCK...VISTA TERRACE...SAND HILL...NORTH FORT
BENNING...JAMESTOWN/SOUTH FORT BENNING...EELBECK/WEST FORT BENNING...
CUSSETA...RENFROE...CHRISTOPHER AND MANTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS
STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE
IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

&&

LAT...LON 3258 8505 3253 8463 3249 8463 3248 8465
      3222 8465 3224 8491 3227 8490 3231 8494
      3234 8501 3238 8498 3241 8498 3243 8497
      3245 8500 3253 8500
TIME...MOT...LOC 0112Z 289DEG 30KT 3247 8518

$$
000 
WWUS52 KFFC 110117
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
917 PM EDT FRI APR 10 2009

GAC053-215-110200-
/O.CON.KFFC.TO.W.0082.000000T0000Z-090411T0200Z/
CHATTAHOOCHEE GA-MUSCOGEE GA-
917 PM EDT FRI APR 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR MUSCOGEE
AND CHATTAHOOCHEE COUNTIES...

AT 915 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 10 MILES WEST OF
COLUMBUS...MOVING EAST AT 35 MPH.

PEOPLE IN COLUMBUS AND FORT BENNING NEED TO SEEK STURDY SHELTER

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GREEN
ISLAND HILLS...BIBB CITY...LAUREL HILLS...ROSE HILL...AVONDALE...
COLUMBUS METROPOLITAN AIRPORT...HIGHLAND PARK...CARTER ACRES...
EDGEWOOD...FORT BENNING/LAWSON ARMY AIR FIELD...BENNING PARK...SAINT
MARYS HILLS...BATTLE PARK...KENWOOD...BENNING HILLS...CUSTER ROAD
TERRACE...FLAT ROCK...VISTA TERRACE...SAND HILL...NORTH FORT
BENNING...JAMESTOWN/SOUTH FORT BENNING...EELBECK/WEST FORT BENNING...
CUSSETA...RENFROE...CHRISTOPHER AND MANTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS
STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE
IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

&&

LAT...LON 3258 8505 3253 8463 3249 8463 3248 8465
      3222 8465 3224 8491 3227 8490 3231 8494
      3234 8501 3238 8498 3241 8498 3243 8497
      3245 8500 3253 8500
TIME...MOT...LOC 0116Z 287DEG 31KT 3246 8514

$$
000 
WWUS52 KFFC 110133
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
933 PM EDT FRI APR 10 2009

GAC053-215-110200-
/O.CON.KFFC.TO.W.0082.000000T0000Z-090411T0200Z/
CHATTAHOOCHEE GA-MUSCOGEE GA-
933 PM EDT FRI APR 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR MUSCOGEE
AND CHATTAHOOCHEE COUNTIES...

AT 932 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR CARTER ACRES...OR 
BETWEEN COLUMBUS AND FORT BENNING...MOVING EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HIGHLAND PARK...EDGEWOOD...FORT BENNING/LAWSON ARMY AIR FIELD...
BENNING PARK...SAINT MARYS HILLS...KENWOOD...BATTLE PARK...BENNING
HILLS...CUSTER ROAD TERRACE...FLAT ROCK...VISTA TERRACE...SAND
HILL...NORTH FORT BENNING...JAMESTOWN/SOUTH FORT BENNING...
EELBECK/WEST FORT BENNING...CUSSETA...RENFROE...CHRISTOPHER AND
MANTA.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

&&

LAT...LON 3258 8505 3253 8463 3249 8463 3248 8465
      3222 8465 3224 8491 3227 8490 3231 8494
      3234 8501 3238 8498 3241 8498 3243 8497
      3245 8500 3253 8500
TIME...MOT...LOC 0133Z 288DEG 30KT 3241 8498

$$
000 
WWUS52 KFFC 110142
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
942 PM EDT FRI APR 10 2009

GAC053-215-110200-
/O.CON.KFFC.TO.W.0082.000000T0000Z-090411T0200Z/
CHATTAHOOCHEE GA-MUSCOGEE GA-
942 PM EDT FRI APR 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR SOUTHERN
MUSCOGEE AND CHATTAHOOCHEE COUNTIES...

AT 940 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR BENNING HILLS...
MOVING EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NORTH
FORT BENNING...EELBECK/WEST FORT BENNING...CUSSETA...CHRISTOPHER AND
MANTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS
STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE
IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

&&

LAT...LON 3231 8494 3234 8501 3238 8498 3241 8498
      3243 8497 3246 8500 3251 8498 3253 8463
      3249 8463 3248 8465 3222 8465
TIME...MOT...LOC 0142Z 288DEG 30KT 3241 8490

$$
000 
WWUS52 KFFC 110154
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
954 PM EDT FRI APR 10 2009

GAC215-110203-
/O.CAN.KFFC.TO.W.0082.000000T0000Z-090411T0200Z/
MUSCOGEE GA-
954 PM EDT FRI APR 10 2009

...THE TORNADO WARNING FOR SOUTH CENTRAL MUSCOGEE COUNTY IS
CANCELLED...

THE TORNADO HAS EXITED MUSCOGEE COUNTY.

IF YOU SAW WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 100 AM EDT SATURDAY 
MORNING FOR GEORGIA.

LAT...LON 3234 8501 3237 8495 3240 8486 3241 8479
      3244 8474 3245 8465 3222 8465
TIME...MOT...LOC 0153Z 289DEG 30KT 3236 8480

$$

GAC053-110200-
/O.CON.KFFC.TO.W.0082.000000T0000Z-090411T0200Z/
CHATTAHOOCHEE GA-
954 PM EDT FRI APR 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR
CHATTAHOOCHEE COUNTY...

AT 952 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR CUSSETA...MOVING
EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CHRISTOPHER AND MANTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS
STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE
IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

&&

LAT...LON 3234 8501 3237 8495 3240 8486 3241 8479
      3244 8474 3245 8465 3222 8465
TIME...MOT...LOC 0153Z 289DEG 30KT 3236 8480

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 8:01 PM EDTSevere Thunderstorm WarningFFCButts, Jasper, Newton44 min
Apr 10, 8:07 PM EDTSevere Thunderstorm WarningFFCFayette, Spalding53 min
Apr 10, 8:08 PM EDTSevere Thunderstorm WarningFFCClayton, Cobb, Douglas, Fulton, Paulding52 min
Apr 10, 8:14 PM EDTSevere Thunderstorm WarningFFCGwinnett31 min
Apr 10, 8:20 PM EDTSevere Thunderstorm WarningFFCJasper, Morgan, Putnam55 min
Apr 10, 8:23 PM EDTSevere Thunderstorm WarningFFCClarke, Jackson, Madison, Oglethorpe52 min
Apr 10, 8:26 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Gwinnett, Henry, Rockdale, Walton49 min
Apr 10, 8:33 PM EDTSevere Thunderstorm WarningFFCCarroll, Haralson, Paulding27 min
Apr 10, 8:39 PM EDTSevere Thunderstorm WarningFFCButts, Clayton, Henry55 min
Apr 10, 8:46 PM EDTTornado WarningFFCJasper, Putnam35 min
Apr 10, 8:49 PM EDTTornado WarningFFCDeKalb, Gwinnett23 min
Apr 10, 8:53 PM EDTSevere Thunderstorm WarningFFCBarrow, Gwinnett, Oconee, Walton37 min
Apr 10, 8:54 PM EDTTornado WarningFFCButts, Henry, Spalding51 min
Apr 10, 9:09 PM EDTTornado WarningFFCDeKalb, Newton, Rockdale, Walton39 min
Apr 10, 9:13 PM EDTSevere Thunderstorm WarningFFCGreene, Hancock, Taliaferro, Warren47 min
Apr 10, 9:19 PM EDTTornado WarningFFCJasper41 min
Apr 10, 9:20 PM EDTSevere Thunderstorm WarningFFCCobb, DeKalb, Fulton, Gwinnett28 min
Apr 10, 9:32 PM EDTSevere Thunderstorm WarningFFCDeKalb, Fulton, Rockdale43 min
Apr 10, 9:32 PM EDTTornado WarningFFCHancock, Warren43 min
Apr 10, 9:35 PM EDTTornado WarningFFCGreene, Morgan, Oconee, Oglethorpe40 min
Apr 10, 9:45 PM EDTTornado WarningFFCJasper, Putnam32 min
Apr 10, 9:49 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Henry, Newton, Rockdale, Walton32 min
Apr 10, 9:57 PM EDTTornado WarningFFCChattahoochee, Marion34 min
Apr 10, 9:57 PM EDTTornado WarningFFCBaldwin, Jones19 min
Apr 10, 10:05 PM EDTTornado WarningFFCHancock40 min
Apr 10, 10:07 PM EDTSevere Thunderstorm WarningFFCButts, Henry, Jasper, Newton68 min
Apr 10, 10:13 PM EDTSevere Thunderstorm WarningFFCGreene, Jasper, Morgan, Newton, Putnam, Walton62 min
Apr 10, 10:18 PM EDTTornado WarningFFCMacon, Schley, Sumter42 min
Apr 10, 10:26 PM EDTTornado WarningFFCChattahoochee, Stewart64 min
Apr 10, 10:29 PM EDTSevere Thunderstorm WarningFFCGlascock, Hancock, Warren, Washington61 min
Apr 10, 10:34 PM EDTTornado WarningFFCButts, Jasper, Newton30 min
Apr 10, 10:42 PM EDTSevere Thunderstorm WarningFFCButts, Henry, Jasper, Lamar, Monroe, Spalding48 min
Apr 10, 10:49 PM EDTTornado WarningFFCBaldwin, Hancock, Putnam56 min
Apr 10, 10:50 PM EDTTornado WarningFFCCrisp, Dooly, Macon, Sumter55 min
Apr 10, 10:52 PM EDTSevere Thunderstorm WarningFFCJefferson, Washington37 min
Apr 10, 10:56 PM EDTSevere Thunderstorm WarningFFCGlascock, Greene, Hancock, Taliaferro, Warren64 min
Apr 10, 11:00 PM EDTTornado WarningFFCMarion, Stewart, Webster45 min
Apr 10, 11:22 PM EDTSevere Thunderstorm WarningFFCButts, Jasper, Jones, Monroe53 min
Apr 10, 11:27 PM EDTSevere Thunderstorm WarningFFCStewart48 min
Apr 10, 11:31 PM EDTTornado WarningFFCPulaski, Wilcox44 min
Apr 10, 11:33 PM EDTTornado WarningFFCSumter57 min
Apr 10, 11:38 PM EDTSevere Thunderstorm WarningFFCBaldwin, Glascock, Hancock, Jefferson, Washington67 min
Apr 10, 11:38 PM EDTTornado WarningFFCStewart37 min
Apr 10, 11:44 PM EDTSevere Thunderstorm WarningFFCBaldwin, Washington, Wilkinson61 min
Apr 10, 11:53 PM EDTSevere Thunderstorm WarningFFCDodge36 min
Apr 10, 11:53 PM EDTTornado WarningFFCGlascock, Jefferson, Warren37 min
Apr 10, 11:59 PM EDTTornado WarningFFCWebster32 min
Apr 11, 12:13 AM EDTSevere Thunderstorm WarningFFCTelfair, Wheeler36 min
Apr 11, 12:16 AM EDTTornado WarningFFCCrisp45 min
Apr 11, 12:44 AM EDTSevere Thunderstorm WarningFFCJefferson18 min
Apr 11, 12:44 AM EDTTornado WarningFFCWilcox40 min

Nearby

Tornado Warnings in Georgia, 2009Every tornado warning in 2009Tornadoes in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.