Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 381, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 7, 1994, 4:26 AM CDT for Osage County, Oklahoma. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Aug 7, 1994, 4:26 AM CDT (09:26 UTC)
- Expired
- Aug 7, 1994, 5:30 AM CDT
- In force
- 64 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Osage County, OK
The radar
The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 09:30 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.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 9.4 hours before the alert went out and 181 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
- 267 J/kg
- Mixed-layer CIN
- -286 J/kg
- Mixed-layer LCL
- 2059 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Aug 7, 4:01 AM CDT, 25 minutes earlier.
Area forecast discussion, Aug 7, 4:01 AM CDT, 25 minutes before
AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA NATIONAL WEATHER SERVICE TULSA OK 400 AM CDT SUN AUG 7 1994 TSTMS OVR ERN KS/NERN OK WL CONT TO PRESS SEWD THIS MORNG AS S/W TROF MOVS ACRS AREA. BY AFTN...S/W SHOULD BE INTO SERN OK...AS SHUD ITS ASSOC PCPN. WL FCST LIKLY POPS THIS MORNG NE AND E-CTRL... 40-50 POPS MLC S AND E...WITH PCPN MAINLY IN THE MORNING NE AND E- CTRL THO CANT RULE OUT ISOLD AFTN TSTM. MDLS SHOW STG LOW RETREATG N OF HDSN BAY...WHILE NW PACFC CST SYS MOVS INLAND. THIS SHUD ALLOW RDG TO BUILD INTO PLAINS...AND KEEP CONVCTN WELL N OF ERN OK. MDLS HINT AT WK S/W MOVG ACRS NRN ROCKIES THRU RDG SUN NGT...RESULTG IN CONVCTN FOR HI PLAINS...BUT ATTM XPCT THIS TO REMAIN N OF OUR AREA. THEREFORE...WILL PLAY THE CONTINUITY CARD AND KEEP PREV FCST AS IS FOR TNGT AND MON...INCLDG THE 20 POPS ZN 77 WHERE CAP WL BE WEAKEST. FWCS AND FPCS ARE SIMILAR THIS RUN COMPARED TO LAST RUN. WARMR FPCS MAY BE TOO WARM...WILL COMPROMISE BETWEEN FPC/FWC. WE HAVE HAD LOW CU DVLP PAST FEW DAYS...WITH MOIST S TO SE LOW LEVEL FLOW THIS MAY CONTINUE...KEEPG HI TEMPS CLOSER TO FWCS. 20 TUL 90/72/93 611 MLC 90/72/94 511 BVO 91/71/94 511 IDB 90/72/9L1 322 .TUL...NONE.
In the hours before
Local storm report, Aug 7, 3:23 AM CDT, 1 hour 3 minutes before
STORM REPORT NATIONAL WEATHER SERVICE TULSA, OK 323 AM CDT SUN AUG 07 1994 TIME (CDT) COUNTY EVENT 305 AM OSAGE OK DIME SIZE HAIL IN SHIDLER.
Local storm report, Aug 7, 3:24 AM CDT, 1 hour 2 minutes before
STORM REPORT NATIONAL WEATHER SERVICE TULSA, OK 323 AM CDT SUN AUG 07 1994 TIME (CDT) COUNTY EVENT 305 AM OSAGE OK DIME SIZE HAIL IN SHIDLER.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 2:28 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 62 min |
| Aug 7, 3:27 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 63 min |
| Aug 7, 4:36 AM CDT | Flash Flood Warning | TSA | Osage | 3 hr |
| Aug 7, 5:28 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 62 min |
| Aug 7, 5:51 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 69 min |
| Aug 7, 6:27 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 63 min |
| Aug 7, 6:36 AM CDT | Flash Flood Warning | TSA | Creek | 3 hr |
| Aug 7, 7:20 AM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 40 min |
| Aug 7, 7:56 AM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 49 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1994Every severe thunderstorm warning in 1994
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; radar from the NEXRAD Level II archive.