Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 154, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 29, 1994, 11:36 PM CDT for LeFlore County, Oklahoma. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- Apr 29, 1994, 11:36 PM CDT (04:36 UTC)
- Expired
- Apr 30, 1994, 12:45 AM CDT
- In force
- 69 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County LeFlore County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 4.6 hours before the alert went out and 248 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
- 6 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 476 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 479 m²/s²
- 0-3 km storm-relative helicity
- 788 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 Apr 29, 9:24 PM CDT, 2 hours 12 minutes earlier.
Area forecast discussion, Apr 29, 9:24 PM CDT, 2 hours 12 minutes before
AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA NATIONAL WEATHER SERVICE TULSA OK 922 PM CDT FRI APR 29 1994 HV ADDED SVR TO SE OK ZONES. JUST ADVZD A SELS WATCH WL BE ISSUED FOR PARTS OF THE AREA. WL HOLD ZONES TIL SELS COORD CALL. SHUD BE ONLY A SHORT DELAY. /8 .TUL...FFA ZONES 54 THRU 77...ALL OF THE FA.
In the hours before
Special weather statement, Apr 29, 11:22 PM CDT, 14 minutes before
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</html>The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 9:53 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 67 min |
| Apr 29, 10:47 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, Pittsburg | 58 min |
| Apr 29, 11:05 PM CDT | Severe Thunderstorm Warning | TSA | Haskell | 55 min |
| Apr 29, 11:45 PM CDT | Severe Thunderstorm Warning | TSA | Haskell | 41 min |
| Apr 30, 12:05 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 40 min |
| Apr 30, 12:24 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 58 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.