Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 623, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Sep 19, 1996, 1:43 AM CDT for Woodward County, Oklahoma. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 19, 1996, 1:43 AM CDT (06:43 UTC)
- Expired
- Sep 19, 1996, 2:30 AM CDT
- In force
- 47 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Woodward County, OK
The radar
The Vance AFB radar (KVNX), 108 km from the middle of the area, began a volume at 06:43 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
Dodge City, (KDDC), launched 00:00Z, 6.7 hours before the alert went out and 160 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
- 760 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.6
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 Sep 18, 9:30 PM CDT, 4 hours 13 minutes earlier.
Area forecast discussion, Sep 18, 9:30 PM CDT, 4 hours 13 minutes before
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</html>In the hours before
Special weather statement, Sep 18, 7:47 PM CDT, 5 hours 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 727 PM CDT WED SEP 18 1996 OKZ004>006-009>011-014>016-021-022-033>036-TXZ083>085-087-088-190230- ALFALFA-BAYLOR TX-BECKHAM-CUSTER-DEWEY-ELLIS-FOARD TX-GREER- HARDEMAN TX-HARMON-HARPER-JACKSON-KIOWA-KNOX TX-MAJOR-ROGER MILLS- WASHITA-WILBARGER TX-WOODS-WOODWARD- 727 PM CDT WED SEP 18 1996 TORNADO WATCH NUMBER 1038 REMAINS EFFECTIVE THROUGH 1000 PM FOR THE WESTERN FOURTH OF OKLAHOMA AND THE ADJACENT PART OF NORTH TEXAS. EARLY THIS EVENING THERE WERE ONLY A FEW NON-SEVERE THUNDERSTORMS IN THE EASTERN TEXAS PANHANDLE. STRONGER THUNDERSTORMS WERE DEVELOPING IN SOUTHEAST COLORADO WHERE UPPER LEVEL WINDS ARE MORE FAVORABLE. THIS MEANS THAT THE THREAT OF SEVERE WEATHER FOR WESTERN OKLAHOMA WILL BE HIGHER AFTER MIDNIGHT THAN IT IS THIS EVENING. THE TORNADO WATCH MAY EXPIRE BEFORE ANY SEVERE WEATHER OCCURS IN WESTERN OKLAHOMA. HOWEVER...YOU SHOULD PREPARE FOR THE POSSIBILITY OF SEVERE WEATHER...INCLUDING HEAVY RAINFALL...OVERNIGHT. WR
Special weather statement, Sep 18, 8:46 PM CDT, 4 hours 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 850 PM CDT WED SEP 18 1996 OKZ004>006-009>011-014>016-021-022-033>036-TXZ083>085-087-088-190230- ALFALFA-BAYLOR TX-BECKHAM-CUSTER-DEWEY-ELLIS-FOARD TX-GREER- HARDEMAN TX-HARMON-HARPER-JACKSON-KIOWA-KNOX TX-MAJOR-ROGER MILLS- WASHITA-WILBARGER TX-WOODS-WOODWARD- 850 PM CDT WED SEP 18 1996 TORNADO WATCH NUMBER 1038 ISSUED THIS AFTERNOON FOR THE WESTERN PART OF OKLAHOMA IS NO LONGER IN EFFECT. A NEW TORNADO WATCH...NUMBER 1041...IS EFFECTIVE FOR THE OKLAHOMA AND TEXAS PANHANDLES THROUGH 4 AM BUT DOES NOT INCLUDE WESTERN OKLAHOMA. STRONG THUNDERSTORMS OVER THE WESTERN PANHANDLES WILL LIKELY MOVE INTO NORTHWEST AND WEST CENTRAL OKLAHOMA AROUND MIDNIGHT AND A WATCH THAT BETTER DEFINES THE OVERNIGHT SEVERE WEATHER THREAT MAY BE ISSUED LATE THIS EVENING. WR
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 12:47 AM CDT | Severe Thunderstorm Warning | OUN | Ellis | 28 min |
| Sep 19, 1:03 AM CDT | Severe Thunderstorm Warning | OUN | Woodward | 42 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1996Every severe thunderstorm warning in 1996
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.