Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 65, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 11, 1992, 3:48 AM CDT for Adair County, Delaware County, Oklahoma. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- May 11, 1992, 3:48 AM CDT (08:48 UTC)
- Expired
- May 11, 1992, 4:15 AM CDT
- In force
- 27 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Adair County, OK, Delaware County, OK
The nearest sounding before it
Springfield, MO (KUMN), launched 00:00Z, 8.8 hours before the alert went out and 118 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
- 287 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1305 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 110848 SVRTUL OKC001-041-110915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 348 AM CDT MON MAY 11 1992 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES ... IN EAST CENTRAL OKLAHOMA ...ADAIR COUNTY IN NORTHEAST OKLAHOMA ...DELAWARE COUNTY AT 345 AM RADAR INDICATED SEVERE THUNDERSTORMS MOVING INTO WESTERN ADAIR AND SOUTHWESTERN DELAWARE COUNTIES. THESE STORMS HAVE A HISTORY OF PRODUCING WIND DAMAGE. THE STORMS ARE MOVING EAST NORTHEAST AT 50 MILES AN HOUR AND WILL BE AFFECTING THE TOWNS OF STILWELL...WESTVILLE ...KANSAS AND COLCORD BEFORE 415 AM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH... LARGE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
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 10, 11:37 PM CDT, 4 hours 11 minutes before
OKZ026>031-033-110535- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1135 PM CDT SUN MAY 10 1992 ...THUNDERSTORMS HAVE MOVED INTO THE TULSA AREA... SHOWERS AND EMBEDDED THUNDERSTORMS HAVE MOVED INTO THE TULSA AREA. AT 1130 PM SEVERAL STRONG THUNDERSTORMS WERE OVER TULSA...CREEK AND OKFUSKEE COUNTIES. THESE STORMS WILL PRODUCE DANGEROUS LIGHTNING AND PERIODS OF VERY HEAVY RAIN AS THEY MOVE NORTHEAST AT 30 MILES AN HOUR. STAY INDO)ORS IF THUNDERSTORMS ARE OCCURRING IN YOUR AREA. STAY TUNED TO THIS STATION FOR THE LATEST INFORMATION.
Special weather statement, May 11, 1:48 AM CDT, 2 hours before
OKZ026>031-110900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 150 AM CDT MON MAY 11 1992 ...THUNDERSTORMS PRODUCING HEAVY RAIN IN EASTERN OKLAHOMA... AT 145 AM NATIONAL WEATHER SERVICE RADAR IN TULSA SHOWED A 70 MILE WIDE BAND OF THUNDERSTORMS EXTENDING FROM NORTHEAST TO CENTRAL OKLAHOMA. THE THUNDERSTORMS WERE CENTERED ALONG A LINE FROM MIAMI TO TULSA TO STROUD. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR AND THUS WERE MOVING ACROSS THE SAME AREAS. THIS WAS CAUSING HEAVY RAINFALL TO PERSIST IN THE SAME AREAS FOR EXTENDED PERIODS OF TIME. AS OF 140 AM ABOUT 1 INCH OF RAIN HAS FALLEN AT THE TULSA INTERNATIONAL AIRPORT. THE STRONGEST THUNDERSTORMS ARE CURRENTLY IN OKFUSKEE AND SOUTHERN CREEK COUNTIES AND THESE STORMS WILL TRACK NORTHEAST TOWARD TULSA AND ROGERS COUNTIES BETWEEN NOW AND 4 AM. PERSISTENT HEAVY RAINFALL COULD CAUSE SOME FLOODING OF LOW LYING AREAS IN THESE AREAS. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION FROM THE NATIONAL WEATHER SERVICE.
Local storm report, May 11, 2:52 AM CDT, 56 minutes before
STORM REPORT NATIONAL WEATHER SERVICE TULSA, OK 251 AM CDT MON MAY 11 1992 TIME(CDT) COUNTY REPORT 245 AM MCINTOSH 70 MILE AN HOUR WINDS AT EUFAULA
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 2:42 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 48 min |
| May 11, 3:30 AM CDT | Tornado Warning | TSA | Cherokee | 30 min |
| May 11, 3:16 PM CDT | Tornado Warning | TSA | Pittsburg | 44 min |
| May 11, 3:22 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Pittsburg | 38 min |
| May 11, 3:30 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 45 min |
| May 11, 4:23 PM CDT | Tornado Warning | TSA | Pittsburg | 67 min |
| May 11, 5:31 PM CDT | Flash Flood Warning | TSA | McIntosh, Pittsburg | 4 hr |
| May 11, 5:31 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 59 min |
| May 11, 5:48 PM CDT | Tornado Warning | TSA | Latimer | 42 min |
| May 11, 5:57 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 63 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 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; the sounding from the Mesonet's radiosonde archive.