Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 129, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Apr 19, 1995, 1:30 PM CDT for Cotton County, Jefferson County, Stephens County, Oklahoma; Clay County, Texas. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Apr 19, 1995, 1:30 PM CDT (18:30 UTC)
- Expired
- Apr 19, 1995, 2:30 PM CDT
- In force
- 60 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Cotton County, OK, Jefferson County, OK, Stephens County, OK, Clay County, TX
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 6.5 hours before the alert went out and 165 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2167 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 290 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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 19, 3:04 AM CDT, 10 hours 26 minutes earlier.
Area forecast discussion, Apr 19, 3:04 AM CDT, 10 hours 26 minutes before
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</html>In the hours before
Special weather statement, Apr 19, 12:33 PM CDT, 57 minutes before
OKZ004>053-TXZ083>090-192100- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1230 PM CDT WED APR 19 1995 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS PORTIONS OF SOUTHERN OKLAHOMA AND NORTH TEXAS. THE MODERATE RISK AREA IS SOUTH OF A LINE FROM ALTUS TO HOLDENVILLE. OTHERWISE...THERE WILL BE A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS MUCH OF SOUTHWEST AND CENTRAL OKLAHOMA...SOUTHEAST OF A LINE FROM ELK CITY TO PONCA CITY. A WARM FRONT LOCATED ACROSS NORTH TEXAS EARLY THIS AFTERNOON WILL MOVE SLOWLY NORTH TO A POSITION NEAR THE RED RIVER BY SUNSET. MEANWHILE... A STRONG STORM SYSTEM WILL MOVE FROM THE SOUTHERN ROCKIES INTO THE SOUTHERN PLAINS ALLOWING THE DRYLINE TO MOVE EASTWARD FROM WEST TEXAS. THESE FACTORS WILL COMBINE TO PRODUCE AN INCREASINGLY MOIST AND UNSTABLE AIRMASS ACROSS OKLAHOMA AND NORTH TEXAS...AND AN ENVIRONMENT FAVORABLE FOR SEVERE THUNDERSTORMS. THE PRIMARY THREAT WILL BE LARGE HAIL AND DAMAGING WINDS...WITH ISOLATED TORNADOES POSSIBLE IN THE MODERATE RISK AREA. EMERGENCY MANAGERS AND SPOTTER GROUPS SHOULD REMAIN ALERT FOR POSSIBLE ACTIVATION THIS AFTERNOON AND EVENING. DA
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 6:30 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 45 min |
| Apr 19, 12:34 PM CDT | Severe Thunderstorm Warning | OUN | Wichita | 41 min |
| Apr 19, 12:53 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay | 52 min |
| Apr 19, 4:15 PM CDT | Tornado Warning | OUN | Knox | 45 min |
| Apr 19, 5:14 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor | 46 min |
| Apr 19, 5:21 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Knox | 39 min |
| Apr 19, 5:56 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Wilbarger | 49 min |
| Apr 19, 5:56 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Knox | 19 min |
| Apr 19, 6:45 PM CDT | Tornado Warning | OUN | Wichita | 30 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1995Severe Thunderstorm Warnings in Texas, 1995Every severe thunderstorm warning in 1995
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.