Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 50, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 25, 2002, 1:30 PM CST for Franklin County, Arkansas. It was in force for 45 min. 1 report 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
- Mar 25, 2002, 1:30 PM CST (19:30 UTC)
- Expired
- Mar 25, 2002, 2:15 PM CST
- In force
- 45 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
County Franklin County, AR
The radar
The Western Arkansas radar (KSRX), 50 km from the middle of the area, began a volume at 19:30 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 25, 2:00 PM CST | Hail 0.75 | Ozark, AR |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 |
|---|---|---|---|
| Mar 25, 11:00 AM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 7.5 hours before the alert went out and 151 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 448 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- 218 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 251930 SVRTUL ARC047-252015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 129 PM CST MON MAR 25 2002 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS * UNTIL 215 PM CST * AT 129 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 19 MILES WEST OF OZARK...MOVING EAST AT 55 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...OZARK...CASS AND WIEDERKEHR VILLAGE. HAIL TO THE SIZE OF NICKELS CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 3555 9405 3540 9407 3547 9370 3577 9369
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 Mar 25, 11:10 AM CST, 2 hours 20 minutes earlier.
Area forecast discussion, Mar 25, 11:10 AM CST, 2 hours 20 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1110 AM CST MON MAR 25 2002 COLD FRONT HAS MADE IT THROUGH THE ENTIRE AREA AND WILL SEE STEADY OR FALLING TEMPERATURES AT MOST LOCATIONS THE REST OF THE DAY. CURRENT TRENDS SUGGEST THAT MOST SHOWER AND THUNDERSTORM ACTIVITY THE REST OF THE DAY WILL REMAIN SOUTHEAST OF INTERSTATE 44 AND WILL LOWER POPS IN PARTS OF NORTHEAST OKLAHOMA AS A RESULT. WILL MENTION SEVERE IN PARTS OF SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS WITH VERY INTENSE SEVERE STORM MOVING INTO LATIMER COUNTY NOW AND NEW WATCH JUST OUT. LIKE YESTERDAY...VERY LARGE HAIL TO GOLFBALL SIZE AND LARGER LOOKS LIKELY WITH SOME OF THESE STORMS GIVEN THE ENVIRONMENT THE STORMS ARE IN. UPDATE WILL BE OUT SHORTLY. .TSA... AR...NONE. OK...NONE. PLATE
In the hours before
Local storm report, Mar 25, 11:01 AM CST, 2 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1101 AM CST MON MAR 25 2002
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1040 PM MARBLE CITY OK .75 INCH HAIL
03/25/02 SEQUOYAH REPORTED BY
PUBLIC
1015 PM MUSKOGEE OK .75 INCH HAIL
03/25/02 MUSKOGEE REPORTED BY
PUBLIC
1041 PM CLAREMORE OK 1.00 INCH HAIL
03/25/02 ROGERS REPORTED BY
SPOTTERSLocal storm report, Mar 25, 11:08 AM CST, 2 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1108 AM CST MON MAR 25 2002
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0835 PM OOLOGAH OK 1.00 INCH HAIL
03/24/02 ROGERS REPORTED BY LAW
ENFORCEMENTLocal storm report, Mar 25, 11:10 AM CST, 2 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED DATES
NATIONAL WEATHER SERVICE TULSA, OK
1110 AM CST MON MAR 25 2002
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1040 PM MARBLE CITY OK .75 INCH HAIL
03/24/02 SEQUOYAH REPORTED BY PUBLIC
1015 PM MUSKOGEE OK .75 INCH HAIL
03/24/02 MUSKOGEE REPORTED BY PUBLIC
1041 PM CLAREMORE OK 1.00 INCH HAIL
03/24/02 ROGERS REPORTED BY SPOTTERSLocal storm report, Mar 25, 11:28 AM CST, 2 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1128 AM CST MON MAR 25 2002
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0854 PM BROKEN ARROW OK .75 INCH HAIL
03/25/02 TULSA REPORTED BY CO-OP
OBSERVERSSpecial weather statement, Mar 25, 12:05 PM CST, 1 hour 25 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-261200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 1205 PM CST MON MAR 25 2002 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS UNTIL 4 PM... AT MID DAY A FRONT LIED NEARLY STATIONARY FROM NORTH CENTRAL ARKANSAS INTO THE FAR SOUTHEAST CORNER OF OKLAHOMA. LOW PRESSURE WILL FORM ALONG THIS FRONT IN SOUTHWEST ARKANSAS THIS AFTERNOON AS A POTENT UPPER LEVEL SYSTEM LIFTS NORTHEAST INTO THE PLAINS FROM NEW MEXICO. THE LOW PRESSURE WILL ACT AS A KICKER AS INTO MOVES NORTHEAST PUSHING THE FRONT SOUTHEAST AS A COLD FRONT. UNTIL THIS HAPPENS A HIGH DEGREE OF INSTABILITY WILL REMAIN OVER SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS. ONGOING STRONG TO SEVERE THUNDERSTORMS OVER THIS AREA WILL CONTINUE UNTIL AT LEAST 4 PM AND POSSIBLY INTO THIS EVENING. THE MAIN THREAT WITH THESE STORMS WILL BE LARGE HAIL. .SPOTTER ACTIVATION... SPOTTER ACTIVATION WILL BE NEEDED ACROSS SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON AND POSSIBLY THIS EVENING. .DISCUSSION... STEEP LAPSE RATES...ABUNDANT MOISTURE A STRONG FORCING WITH THE FRONT IN THE AREA AND THE APPROACH OF THE STRONG UPPER LEVEL SYSTEM WILL RESULT IN A FEW SEVERE THUNDERSTORMS TO THE SOUTHEAST OF A FAYETTEVILLE TO MCALESTER LINE. ALTHOUGH WIND FIELD ABOVE THE FRONT WILL BE SUFFICIENT FOR SUPERCELLS...THE MAIN THREAT FROM THE STORMS WILL BE LARGE HAIL DUE TO THE ELEVATED NATURE OF THE STORMS. THE THREAT FOR SEVERE THUNDERSTORMS WILL END BY LATE EVENING AS THE COLD FRONT PUSHES SOUTHEAST OF THE AREA. THREAT TABLE VALID THROUGH 1200 UTC TUESDAY THREAT AREA 1...GENERALLY SOUTH OF A MCLEASTER TO FAYTEVILLE LINE THUNDERSTORM PROBABILITY...100 SEVERE PROBABILITY IF STORMS OCCUR...100 SIGNIFICANT SEVERE WEATHER PROBABILITY IF STORMS OCCUR...40 THREAT AREAS DEFINE THE GREATEST RISK. PROBABILITIES ARE IN PERCENT. SIGNIFICANT SEVERE WEATHER IS DEFINED AS F1 OR GREATER WIND/TORNADO DAMAGE AND/OR GOLFBALL SIZE HAIL OR LARGER. .OTHER HAZARDS... AS THE UPPER LEVEL DISTURBANCE MOVES THROUGH NORTHEAST OKLAHOMA THIS EVENING...TEMPERATURES MAY COOL ENOUGH TO SUPPORT A MIX OF RAIN AND SLEET IN AREAS TO THE NORTHWEST OF TULSA. HOWEVER...SIGNIFICANT WINTRY PRECIPITATION IS NOT EXPECTED. RELATED GRAPHICAL INFORMATION CAN BE FOUND AT WWW.SRH.NOAA.GOV/TULSA.
Local storm report, Mar 25, 1:30 PM CST, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
130 PM CST MON MAR 25 2002
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1113 AM DAMON OK 1.75 INCH HAIL
03/25/02 LATIMER REPORTED BY LAW
ENFORCEMENTThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 11:11 PM CST | Severe Thunderstorm Warning | TSA | Crawford | 49 min |
| Mar 25, 1:16 AM CST | Severe Thunderstorm Warning | TSA | Madison, Washington | 59 min |
| Mar 25, 7:41 AM CST | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 34 min |
| Mar 25, 10:11 AM CST | Severe Thunderstorm Warning | TSA | Franklin | 19 min |
| Mar 25, 1:17 PM CST | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 43 min |
| Mar 25, 4:00 PM CST | Severe Thunderstorm Warning | TSA | Sebastian | 30 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2002Every severe thunderstorm warning in 2002
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.