Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 64, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 11, 1992, 2:42 AM CDT for McIntosh County, Muskogee County, Oklahoma. It was in force for 48 min. 1 report 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 11, 1992, 2:42 AM CDT (07:42 UTC)
- Expired
- May 11, 1992, 3:30 AM CDT
- In force
- 48 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties McIntosh County, OK, Muskogee County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 11, 3:20 AM CDT | Tornado F0 | Muskogee, OK |
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
Norman, OK (KOUN), launched 00:00Z, 7.7 hours before the alert went out and 173 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
- 900 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 1285 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 110742 SVRTUL OKC091-101-110830- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 242 AM CDT MON MAY 11 1992 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES ... IN EAST CENTRAL OKLAHOMA ...MCINTOSH COUNTY...SOUTHERN MUSKOGEE COUNTY AT 240 AM RADAR INDICATED A SEVERE THUNDERSTORM IN MCINTOSH COUNTY NORTHWEST OF EUFAULA. WIND DAMAGE WAS REPORTED EARLIER WITH THIS STORM AND DAMAGING WINDS ARE LIKELY IN MCINTOSH AND SOUTHERN MUSKOGEE COUNTIES AS THE STORM MOVES THROUGH. THE STORM WAS MOVING NORTHEAST AT 45 MILES AN HOUR. 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, 3 hours 5 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, 54 minutes 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.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 3:30 AM CDT | Tornado Warning | TSA | Cherokee | 30 min |
| May 11, 3:48 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Delaware | 27 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.