Alert archive / Arkansas / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 90, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 14, 1992, 6:59 PM CDT for Sebastian County, Arkansas. It was in force for 61 min. 2 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 14, 1992, 6:59 PM CDT (23:59 UTC)
- Expired
- May 14, 1992, 8:00 PM CDT
- In force
- 61 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Sebastian County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 14, 7:05 PM CDT | Hail 1 | Sebastian, AR | |
| May 14, 7:06 PM CDT | Hail 1 | Sebastian, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Springfield, MO (KUMN), launched 12:00Z, 12.0 hours before the alert went out and 194 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
- 22 J/kg
- Mixed-layer CIN
- -327 J/kg
- Mixed-layer LCL
- 1417 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 355 m²/s²
- 0-3 km storm-relative helicity
- 403 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSM 150000 SVRFSM ARC131-150100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FORT SMITH AR 659 PM CDT THU MAY 14 1992 THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST ARKANSAS ...SEBASTIAN COUNTY AT 659 PM CDT FORT SMITH RADAR INDICATED A SEVERE THUNDERSTORM JUST SOUTH OF FORT SMITH MOVING NORTHEAST AT 20 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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.
In the hours before
Special weather statement, May 14, 1:32 PM CDT, 5 hours 27 minutes before
OKZ026>034-040-151200- EASTERN OKLAHOMA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 130 PM CDT THU MAY 14 1992 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER ALL OF EASTERN OKLAHOMA THROUGH TONIGHT. THE ATMOSPHERE WAS ONCE AGAIN VERY UNSTABLE ACROSS EASTERN OKLAHOMA THIS AFTERNOON. THE GREATEST INSTABILITY EARLY THIS AFTERNOON WAS IN PLACE OVER SOUTHEAST OKLAHOMA WHERE SKIES HAVE BEEN MOSTLY SUNNY... ALLOWING FOR WARMER TEMPERATURES. HOWEVER IN THE NORTHEAST...CLOUDS HAVE BEEN THINNING...WHICH WILL ALLOW TEMPERATURES THERE TO CLIMB AND THE ATMOSPHERE TO FURTHER DESTABLIZE. SURFACE OBSERVATIONS AND SATELLITE ALSO INDICATE THE PRESENCE OF A WEAK SURFACE BOUNDRY OVER EASTERN OKLAHOMA WHICH WOULD LIKELY BE THE FOCUS FOR THUNDERSTORM DEVELOPMENT DURING THE AFTERNOON. WITH THE AMOUNT OF MOISTURE AND INSTABILITY PRESENT OVER THE AREA... ANY THUNDERSTORMS THAT DEVELOP WILL HAVE THE POTENTIAL TO BECOME SEVERE WITH THE MAIN THREAT BEING LARGE HAIL AND STRONG WINDS. CIVIL DEFENSE AND SPOTTER GROUPS OVER THE AREA SHOULD REMAIN ALERT AND BE READY FOR ACTIVATION IF NECESSARY LATER THIS AFTERNOON THROUGH TOMIGHT.
Special weather statement, May 14, 4:03 PM CDT, 2 hours 56 minutes before
OKZ033-142200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 403 PM CDT THU MAY 14 1992 ...STRONG THUNDERSTORM IN HASKELL COUNTY... AT 358 PM CDT...A STRONG THUNDERSTORM HAD DEVELOPEDZ IN SOUTHERN HASKELL COUNTY NEAR KINTA. IT PROBABLY CONTAINS HAIL AND MAY PRODUCE STRONG WIND GUSTS AND HEAVY RAIN. THE STORM IS NEARLY STATIONARY AND MAY AFFECT KINTA SHORTLY.
Local storm report, May 14, 4:40 PM CDT, 2 hours 19 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
433 PM CDT THU MAY 14 1992
TIME(CDT) COUNTY REPORT
435 PM WASHINGTON DIME SIZE HAIL IN BARTLESVILLE
500 PM WASHINGTON DIME SIZE HAIL NEAR VERA
545 PM ROGERS DIME SIZE HAIL 5 MILES SOUTHEAST
OF TIAWAH.Special weather statement, May 14, 5:05 PM CDT, 1 hour 54 minutes before
OKZ033-142300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 505 PM CDT THU MAY 14 1992 ...STRONG THUNDERSTORM CONTINUES OVER SOUTHERN HASKELL COUNTY... AT 500 PM...A STRONG THUNDERSTORM CONTINUES OVER SOUTHERN HASKELL COUNTY JUST NORTH OF KINTA. THE STORM WILL PROBABLY PRODUCE SMALL HAIL AND WIND GUSTS NEAR 40 MILES AN HOUR. DUE TO THE NEARLY STATIONARY POSITION OF THE STORM DURING THE PAST HOUR...LOCALLY HEAVY RAINFALL MAY [HAVE OCCURRED IN THE VICINITY OF KINTA. PEOPLE IN SOUTHERN HASKELL COUNTY SHOULD CONTINUE TO MONITOR NOAA WEATHER RADIO OR THE MEDIA IN CASE THE STORM INTENSIFIES.
Local storm report, May 14, 5:35 PM CDT, 1 hour 24 minutes before
STORM REPORT NATIONAL WEATHER SERVICE TULSA, OK 536 PM CDT THU MAY 14 1992 TIME(CDT) COUNTY REPORT 535 PM OKFUSKEE DIME SIZE HAIL 4 MILES EAST OF WELEETKA
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 3:39 PM CDT | Severe Thunderstorm Warning | TSA | Polk | 66 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1992Every severe thunderstorm warning in 1992
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.