Alert archive / Arkansas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 60, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 19, 2003, 11:43 PM CDT for Crawford County, Sebastian County, Arkansas; LeFlore County, Sequoyah County, Oklahoma. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 19, 2003, 11:43 PM CDT (04:43 UTC)
- Expired
- Apr 20, 2003, 12:30 AM CDT
- In force
- 47 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties Crawford County, AR, Sebastian County, AR, LeFlore County, OK, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 4 km from the middle of the area, began a volume at 04:45 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 19, 8:55 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 4.7 hours before the alert went out and 184 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.
- Mixed-layer CAPE
- 11 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 902 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 286 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
241 WUUS54 KTSA 200443 SVRTUL ARC033-131-OKC079-135-200530- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1143 PM CDT SAT APR 19 2003 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA CRAWFORD COUNTY IN NORTHWEST ARKANSAS NORTHERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS * UNTIL 1230 AM CDT * AT 1143 PM CDT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS UP TO 65 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 4 MILES NORTHWEST OF ROLAND TO 8 MILES SOUTHWEST OF HEAVENER...MOVING NORTHEAST AT 50 MPH. * SOME LOCATIONS AFFECTED INCLUDE... ROLAND...MOFFETT...POTEAU... HEAVENER...HOWE...CAMERON...POCOLA...ARKOMA...MULBERRY...FORT SMITH...HARTFORD...HACKETT...GREENWOOD...BARLING...LAVACA... HUNTINGTON...MIDLAND...BURNVILLE...EXCELSIOR...MANSFIELD... BONANZA...JENNY LIND...BLOOMER...MOUNTAINBURG...VAN BUREN...ALMA... CEDARVILLE...CHESTER...DYER...FIGURE FIVE AND RUDY. DAMAGING WINDS ARE LIKELY WITH THESE STORMS...MOVE TO A SAFE PLACE NOW. MOBILE HOMES AND VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO HIGH WINDS AND MAY BE OVERTURNED. LAT...LON 3548 9453 3469 9481 3517 9410 3577 9401
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 19, 10:30 PM CDT, 1 hour 13 minutes earlier.
Area forecast discussion, Apr 19, 10:30 PM CDT, 1 hour 13 minutes before
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 1030 PM CDT SAT APR 19 2003 AT 10PM THE COLD FRONT EXTENDED FROM 20 MILES EAST OF COFFEYVILLE TO TULSA TO BOLEY. THE DRY LINE EXTENDED FROM OKEMAH TO JUST WEST OF DURANT. THE COLD FRONT WAS MOVING SOUTHEAST AT 25 MPH AND WILL BE ALONG A LINE FROM NEAR JOPLIN TO MUSKOGEE TO NEAR DURANT AT 1AM. THE DRYLINE WILL BE ABOUT STATIONARY AND BE ABSORBED BY THE FRONT. THUNDERSTORMS HAVE CONTINUED TO EXPAND INTO NORTHWEST ARKANSAS FROM CARROLL COUNTY INTO THE FORT SMITH AREA. THESE STORMS ARE MOVING INTO LESS INSTABILITY...BUT THE FAST WIND FIELDS ALOFT WILL PROMOTE A WIND DAMAGE POTENTIAL. THE STORMS ACROSS SOUTHEAST OKLAHOMA SHOULD CONTINUE WITH A MARGINAL HAIL AND WIND THREAT AS WELL. WEAKENING LOW-LEVEL FLOW WILL LIMIT LOW-LEVEL STORM ROTATION POTENTIAL...BUT MID-LEVEL ROTATIONS WILL OCCUR. NEW STORMS MAY STILL DEVELOP DOWN OR JUST BEHIND THE COLD FRONT IN THE NEXT 1 TO 2 HOURS...SO NO PARTS OF THE CURRENT WATCH ARE BEING DROPPED AT THIS TIME. FORECAST ID= 8 .TSA... AR...NONE. OK...NONE.
Hazardous weather outlook, Apr 19, 11:40 PM CDT, 3 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>058-060>076-201000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 1140 PM CDT SAT APR 19 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TODAY ...SEVERE WEATHER REMAINS POSSIBLE ACROSS FAR SOUTHEAST OKLAHOMA AND WEST-CENTRAL ARKANSAS THROUGH 200 AM... A LINE OF STRONG TO SEVERE THUNDERSTORMS CONTINUES TO PUSH EAST LATE THIS EVENING OVER FAR SOUTHEAST OKLAHOMA AND WEST-CENTRAL ARKANSAS. DAMAGING DOWNBURST WINDS TO 65 MPH WILL REMAIN POSSIBLE WITH THESE STORMS. THE THUNDERSTORM ACTIVITY IS EXPECTED TO SHIFT EAST OF THE AREA BY 200 AM WITH THE SEVERE WEATHER THREAT ENDING. SEVERE THUNDERSTORM AND TORNADO WARNING PROBABILITIES CAN BE FOUND IN THE OUTLOOK SECTION AT: WWW.SRH.NOAA.GOV/TULSA. GIVEN PROBABILITIES REPRESENT THE POTENTIAL FOR A WARNING TO BE ISSUED AT YOUR LOCATION. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE NEXT SIGNIFICANT CHANCE FOR THUNDERSTORMS WILL BE ON WEDNESDAY AS A STRONG UPPER LOW MOVES INTO THE FOUR CORNERS REGION. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION IS REQUIRED. A SEVERE THUNDERSTORMS WATCH REMAINS IN EFFECT UNTIL 200 AM FOR PORTIONS OF THE AREA. EMERGENCY MANAGEMENT PERSONNEL SHOULD CONTINUE TO MONITOR THE LATEST UPDATES AND WARNINGS. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA
In the hours before
Special weather statement, Apr 19, 8:53 PM CDT, 2 hours 50 minutes before
ARZ001-010-019-029-OKZ049-053-055>058-060>063-065>076-200700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 853 PM CDT SAT APR 19 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH #135 UNTIL 200 AM CDT SUNDAY MORNING FOR THE FOLLOWING AREAS: IN ARKANSAS THIS WATCH INCLUDES 4 COUNTIES... IN NORTHWEST ARKANSAS: BENTON CRAWFORD WASHINGTON IN WEST CENTRAL ARKANSAS: SEBASTIAN IN OKLAHOMA THIS WATCH INCLUDES 22 COUNTIES... IN EAST CENTRAL OKLAHOMA: CHEROKEE MUSKOGEE OKFUSKEE SEQUOYAH IN NORTHEAST OKLAHOMA: ADAIR CRAIG DELAWARE MAYES NOWATA OKMULGEE OTTAWA ROGERS TULSA WAGONER WASHINGTON IN SOUTHEAST OKLAHOMA: CHOCTAW HASKELL LATIMER LE FLORE MCINTOSH PITTSBURG PUSHMATAHA THIS INCLUDES THE CITIES OF ANTLERS...BARTLESVILLE...BENTONVILLE... BROKEN ARROW...CEDARVILLE...CLAREMORE...CLAYTON...EUFAULA... FAYETTEVILLE...FORT SMITH...HUGO...JAY...MCALESTER...MIAMI... MOUNTAINBURG...MUSKOGEE...NATURAL DAM...NOWATA...OKEMAH...OKMULGEE... POTEAU...PRYOR...ROGERS...SALLISAW...SAND SPRINGS...SILOAM SPRINGS... SPRINGDALE...STIGLER...STILWELL...TAHLEQUAH...TULSA...VAN BUREN... VINITA...WAGONER AND WILBURTON.
Special weather statement, Apr 19, 11:04 PM CDT, 39 minutes before
ARZ002-200430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1104 PM CDT SAT APR 19 2003 ...SIGNIFICANT WEATHER ALERT IN EFFECT FOR CARROLL COUNTY UNTIL 1130 PM CDT... AT 1104 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES EAST OF RULE...MOVING EAST AT 40 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH. THE COMMUNITIES OF DENVER...GREEN FOREST...CONNOR...CARROLLTON...RULE AND COIN WILL BE AFFECTED BY THIS STORM THROUGH 1130 PM CDT.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 9:26 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 64 min |
| Apr 19, 9:38 PM CDT | Tornado Warning | TSA | Sebastian | 67 min |
| Apr 19, 10:09 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 66 min |
| Apr 19, 10:14 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 46 min |
| Apr 19, 7:12 PM CDT | Tornado Warning | TSA | Pittsburg | 28 min |
| Apr 19, 7:28 PM CDT | Tornado Warning | TSA | Pittsburg | 32 min |
| Apr 19, 7:40 PM CDT | Tornado Warning | TSA | Haskell | 35 min |
| Apr 19, 7:56 PM CDT | Tornado Warning | TSA | Latimer, Pittsburg | 34 min |
| Apr 19, 8:12 PM CDT | Tornado Warning | TSA | Haskell | 33 min |
| Apr 19, 8:28 PM CDT | Tornado Warning | TSA | Latimer, Pittsburg | 32 min |
| Apr 19, 8:43 PM CDT | Tornado Warning | TSA | Haskell | 62 min |
| Apr 19, 8:59 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 46 min |
| Apr 19, 9:02 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 28 min |
| Apr 19, 9:18 PM CDT | Flash Flood Warning | TSA | Haskell, Sequoyah | 3 hr |
| Apr 19, 9:18 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 57 min |
| Apr 19, 9:45 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 15 min |
| Apr 19, 10:02 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 43 min |
| Apr 19, 11:35 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 40 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2003Severe Thunderstorm Warnings in Oklahoma, 2003Every severe thunderstorm warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.