Alert archive / Arkansas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 213, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 22, 2000, 5:25 PM CDT for Sebastian County, Arkansas; LeFlore County, Oklahoma. It was in force for 65 min. 9 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 22, 2000, 5:25 PM CDT (22:25 UTC)
- Expired
- May 22, 2000, 6:30 PM CDT
- In force
- 65 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Sebastian County, AR, LeFlore County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 22, 5:25 PM CDT | Hail 0.88 | Braden, OK | |
| May 22, 5:25 PM CDT | Hail 0.75 | Ft Smith, AR | |
| May 22, 5:28 PM CDT | Hail 0.75 | Pocola, OK | |
| May 22, 5:39 PM CDT | Thunderstorm Wind 52 E | Ft Smith, AR | |
| May 22, 5:42 PM CDT | Hail 1 | Pocola, OK | |
| May 22, 5:47 PM CDT | Hail 0.75 | Hackett, AR | |
| May 22, 5:47 PM CDT | Hail 0.75 | Greenwood, AR | |
| May 22, 6:05 PM CDT | Hail 1.75 | Midland, AR | |
| May 22, 6:15 PM CDT | Hail 1.75 | Mansfield, 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 22, 4:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 10.4 hours before the alert went out and 215 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
- 46 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 1601 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
625 WUUS54 KTSA 222226 SVRTUL ARC131-OKC079-222330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 525 PM CDT MON MAY 22 2000 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS * UNTIL 630 PM CDT * AT 525 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHWEST OF POCOLA...MOVING SOUTHEAST AT 20 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...JENNY LIND... BONANZA...MANSFIELD...EXCELSIOR...BURNVILLE...WASHBURN...MIDLAND... HUNTINGTON...GREENWOOD...HACKETT...ARKOMA...POCOLA AND SPIRO HAIL TO THE SIZE OF GOLFBALLS AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. THIS IS A DANGEROUS STORM. IF YOU ARE NEAR ITS PATH YOU SHOULD PREPARE FOR VERY LARGE HAIL AND STRONG DAMAGING STRAIGHT LINE WINDS. SEEK SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS CALL 1-800-722-2778 TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE.
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 May 22, 3:25 PM CDT, 2 hours earlier.
Area forecast discussion, May 22, 3:25 PM CDT, 2 hours before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 325 PM CDT MON MAY 22 2000 TOR WATCH JUST ISSUED COVERS ALL BUT FAR WESTERN ZONES. EXPECT DEVELOPMENT ALONG SFC TROUGH FROM NEAR VINITA TO HENRYETTA TO NEAR MCALESTER. TEMPS WARMING INTO MID 90S JUST WEST OF THE AREA WITH DEWPOINTS NEAR 70 EVEN BEHIND SFC TROUGH...SO COULD POP A STORM A BIT FURTHER WEST THAN CURRENT POS OF TROUGH. LAPS STILL SHOWING ABOUT 30 J/KG OF CAP TO OVERCOME SO WILL PLAN ON CONVECTION REMAIN SCATTERED AND SPREAD 30-40% POPS FROM TUL/MLC EASTWARD. CONVECTION IS EXPECTED TO DIMINISH BY MIDNIGHT. WARMING CONTINUES IN MID LEVELS OVERNIGHT AND CAP SHOULD BE IN PLACE BY TUE AFTERNOON. COULD SEE SOME OVERNIGHT SHOWERS DEVELOP IN AREA OF BEST ISENTROPIC LIFT IN SE OK LATE TONIGHT WITH A MORNING SHOWER POSSIBLE FROM FSM SOUTHWARD. NEAR RECORD HIGH TEMPS FCST TUE AND WED AS HEAT CURRENTLY SW OF THE AREA SPREADS THIS WAY. CONFIDENT ABOUT TMPS TUE MAINLY IN MID 90S WITH SOME UPPER 90S POSSIBLE. MODELS ALL SAG FRONTAL BOUNDARY SOUTH INTO NE OKLAHOMA WED. ETA IS SLOWEST IN DROPPING FRONT AND COOLING SOUTHWARD. HAVE SEEN SIMILAR FRONTS HANG JUST NORTH OF THE AREA WITH HEAT REMAINING OR EVEN INCREASING IN PREFRONTAL COMPRESSION AREA. H5-H7 WINDS REMAIN PARALLEL TO BOUNDARY WITH H5 HGHTS RAISING A BIT WED MORNING. WILL COOL NRN ZONES A FEW DEGS WED AND RAISE TEMPS IN SRN ZONES A DEG OR TWO FROM TUE MAXES. BOUNDARY MAY CONT TO SAG SOUTH AS PER MRF PROGS WITH CAP WEAKENING NORTH OF IT. INSTABILTIY AND FLOW OVER STALLED SFC BOUNDARY WILL INCREASE THURS AS UPPER FLOW BECOMES SOUTHWEST. CHC FOR CONVECTION IN NRN ZONES THURSDAY AM NOT SURE ABOUT CHC FOR PCP FRIDAY AS BOUNDARY MAY LIFT NORTH OF THE AREA AS SW FLOW INCREASES. MRF BRINGS SHORT WAVE THROUGH THE AREA ON SATURDAY...SO WILL SPREAD CHC POPS OVER ALL AREAS THEN. TEMPS WILL COOL BACK INTO 80S TO NEAR 90 IN EXTENDED. FCSTID = 13 TUL 67 96 72 93 / 30 5 0 5 FSM 63 95 68 97 / 30 10 0 5 MLC 69 96 73 98 / 20 5 0 0 BVO 61 97 63 90 / 5 5 0 5 FYV 65 90 68 92 / 30 5 0 5 BYV 65 90 68 92 / 30 5 0 5 MIO 67 96 70 93 / 30 5 0 5 MKO 69 96 73 98 / 20 5 0 0 F10 67 96 72 93 / 5 5 0 5 HHW 70 95 74 98 / 10 10 0 0 .TUL... AR...NONE. OK...NONE.
In the hours before
Special weather statement, May 22, 1:00 PM CDT, 4 hours 25 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-231200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT MON MAY 22 2000 ...ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON AND EVENING... .SYNOPSIS... A PRE-FRONTAL TROUGH...AHEAD OF A WEAK COLD FRONT IN KANSAS...WAS LOCATED FROM EAST OF KANSAS CITY TO NEAR TULSA TO SOUTH OF LAWTON EARLY THIS AFTERNOON. MODERATELY STRONG NORTHWESTERLY FLOW ALOFT WAS ALSO PRESENT ACROSS THE CENTRAL U.S. THE PRE-FRONTAL TROUGH IS EXPECTED TO SHIFT A LITTLE FURTHER SOUTH THIS AFTERNOON BEFORE WASHING OUT TONIGHT. .PRIMARY HAZARD... ISOLATED SEVERE THUNDERSTORMS...CAPABLE OF HAIL...DAMAGING WINDS AND DANGEROUS CLOUD-TO-GROUND LIGHTNING...WILL BE POSSIBLE THIS AFTERNOON AND EVENING ACROSS MUCH OF EASTERN OKLAHOMA AND ALL OF NORTHWEST ARKANSAS. PERSONS PLANNING OUTDOOR ACTIVITIES SHOULD KEEP ABREAST OF THE LATEST WEATHER CONDITIONS AND FORECASTS. THE ACTIVITY SHOULD DECREASE IN COVERAGE AND INTENSITY AFTER 10 PM. .DISCUSSION... AN AREA OF SURFACE CONVERGENCE HAS DEVELOPED NEAR AND PARALLEL TO I-44 IN NORTHEAST OKLAHOMA...ALONG A PRE-FRONTAL TROUGH. TO THE SOUTH OF THIS BOUNDARY WINDS WERE GENERALLY FROM THE SOUTH-SOUTHWEST WHILE BEHIND IT... WINDS WERE FROM THE WEST-SOUTHWEST. WHILE THE LOW LEVEL MOISTURE TO THE SOUTH OF THE TROUGH WAS SOMEWHAT SHALLOW... SURFACE DEW POINT TEMPERATURES HAVE RISEN TO NEAR 70F...RESULTING IN CAPE VALUES NEAR 3000 J/KG. AN AREA OF ELEVATED CONVECTION LOCATED ACROSS EAST-CENTRAL OKLAHOMA WILL CONTINUE TO SHIFT EAST THIS AFTERNOON. WHILE THE STORMS HAVE REMAINED BELOW SEVERE LEVELS SO FAR...THEY HAVE THE POTENTIAL TO BECOME SEVERE THIS AFTERNOON...ESPECIALLY IF THEY SATURATE THE LOW AND MID LEVELS OF THE ATMOSPHERE AND/OR TAP THE HIGH INSTABILITY AT THE SURFACE. THESE STORMS MAY PRODUCE HAIL UP TO 1 INCH AND WIND GUSTS TO 60 MPH. THERE IS ALSO A CHANCE THAT ADDITIONAL THUNDERSTORMS WILL DEVELOP AFTER 4 PM ALONG THE PRE-FRONTAL TROUGH. WITH THE MODERATE TO HIGH INSTABILITY IN PLACE AND 40 TO 50 KT NORTHWEST FLOW AT 18000 FEET...ANY SURFACE-BASED THUNDERSTORMS THAT DEVELOP WILL BE SEVERE. HAIL UP TO 2 INCHES IN DIAMETER AND WIND GUSTS TO 70 MPH WILL BE POSSIBLE WITH THESE STORMS. WITH NORTHWEST FLOW IN THE MID AND UPPER LEVELS...MODERATELY-STRONG DIRECTIONAL SHEAR WILL ALSO BE PRESENT. IF ANY STORMS DEVELOP AHEAD OF THE PRE-FRONTAL TROUGH...SUPERCELL STORMS WILL BE POSSIBLE. STORM-RELATIVE HELICITY VALUES USING A SOUTHEAST STORM MOTION WERE AROUND 100-150 M2/S2. NEGATIVE FACTORS FOR SEVERE THUNDERSTORM DEVELOPMENT INCLUDE A LAYER OF WARM AIR ACROSS CENTRAL AND SOUTHERN OKLAHOMA CAPPING THUNDERSTORM DEVELOPMENT THIS AFTERNOON AS WELL AS SOMEWHAT WEAK CONVERGENCE ALONG THE PRE-FRONTAL TROUGH. ANY STORMS THAT DEVELOP ARE EXPECTED TO WEAKEN THIS EVENING AFTER 9 PM BEFORE DISSIPATING BEFORE MIDNIGHT. .SPOTTER ACTIVATION... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING ACROSS NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS SOUTH OF I-44. A GRAPHICAL VERSION OF THIS OUTLOOK ALONG WITH OTHER DETAILED FORECASTS CAN BE OBTAINED AT HTTP:/WWW.NWSTULSA.NOAA.GOV/.
Local storm report, May 22, 5:01 PM CDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
501 PM CDT MON MAY 22 2000
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0455 PM SALLISAW OK 1 INCH HAIL
05/22/00 SEQUOYAH [MULDROW PD]Local storm report, May 22, 5:16 PM CDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
516 PM CDT MON MAY 22 2000
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
}0513 PM MULDROW OK 1.75 INCH HAIL
05/22/00 SEQUOYAHLocal storm report, May 22, 5:24 PM CDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
524 PM CDT MON MAY 22 2000
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0520 PM ARKOMA OK .75 INCH HAIL
05/22/00 LE FLORE [PUBLIC RPT]The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 4:51 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 54 min |
| May 22, 4:35 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 55 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2000Severe Thunderstorm Warnings in Oklahoma, 2000Every severe thunderstorm warning in 2000
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.