Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 120, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at May 8, 1997, 10:51 PM CDT for Oklahoma County, Oklahoma. It was in force for 24 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 8, 1997, 10:51 PM CDT (03:51 UTC)
- Expired
- May 8, 1997, 11:15 PM CDT
- In force
- 24 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Oklahoma County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 8, 11:07 PM CDT | Hail 0.75 | Oklahoma City, OK | at SE 30th and I-35 |
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.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 3.9 hours before the alert went out and 37 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
- 469 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1185 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.9
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 May 8, 9:36 PM CDT, 1 hour 15 minutes earlier.
Area forecast discussion, May 8, 9:36 PM CDT, 1 hour 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 935 PM CDT THU MAY 8 1997 CDFNT HAS HAD SOME HELP FM TONIGHTS CNVCT ACTIVITY. DRIER AIR MAKING ITS WAY INTO NRN AND NWRN ZNS. HAVE UPDATED MOST ZNS ALREADY TO TAKE CARE OF RN ACTIVITY AND WNDS. TEMPO WORDING IN MOST ZNS WL REQUIRE ADTNL UPDATE TWD MIDNIGHT. MOST RAIN ACTIVITY SHOULD END AFT MIDNIGHT WITH CLDS ACRS MOST SECTIONS DECR SLOWLY OVERNIGHT. IN PREV UPDATE...WORDED 2ND PD AS DECR CLDS FOR THE 1ST PART OF THE DAY BASED ON SATL TRENDS AND LATEST RUC DATA. WL NOT PLAY TOO MUCH WITH TEMPS ALTHOUGH CLDS MAY KEEP MINS FM BEING REALIZED. 11 .OKC... OK...NONE. TX...NONE.
In the hours before
Local storm report, May 8, 5:20 PM CDT, 5 hours 31 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE NORMAN OK 0520 PM CDT THU MAY 8 1997 TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS... DATE ....COUNTY LOCATION.... 0435 PM 7 SE HOLLIS OK 1.75 INCH HAIL 05/08/97 HARMON 0450 PM 3 SSE GOULD OK 1.00 INCH HAIL 05/08/97 HARMON 0450 PM 15 W CROWELL TX 0.88 INCH HAIL 05/08/97 FOARD 0503 PM GOREE TX 1.75 INCH HAIL 05/08/97 KNOX 0505 PM 6 SW DUKE OK 1.75 INCH HAIL 05/08/97 JACKSON BZ
Local storm report, May 8, 5:35 PM CDT, 5 hours 16 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
0531 PM CDT THU MAY 8 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0525 PM 4.0 S TIPTON OK 61.2 MPH WIND GUST, MEASURED
05/08/97 TILLMAN OKLAHOMA MESONETWORKLocal storm report, May 8, 6:51 PM CDT, 4 hours before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
0652 PM CDT THU MAY 8 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
DATE ....COUNTY LOCATION....
0545 PM FREDERICK OK 1.00 INCH HAIL
05/08/97 TILLMAN 0.75-1.00 INCH HAIL COVERING
GROUND
0555 PM 12 N VERNON TX 1.75 INCH HAIL
05/08/97 WILBARGER
0555 PM 2E GILLILAND TX 1.75 INCH HAIL
05/08/97 KNOX 0.75-1.75 INCH HAIL COVERING
GROUND
0600 PM FARGO TX 1.75 INCH HAIL
05/08/97 WILBARGER
0633 PM HAROLD TX 60 MPH WINDS AND 0.75 INCH HAIL
05/08/97 WILBARGER
0634 PM 4 W GRANDFIELD OK 0.88 INCH HAIL
05/08/97 TILLMAN
BZLocal storm report, May 8, 6:52 PM CDT, 3 hours 59 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
0652 PM CDT THU MAY 8 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
DATE ....COUNTY LOCATION....
0545 PM FREDERICK OK 1.00 INCH HAIL
05/08/97 TILLMAN 0.75-1.00 INCH HAIL COVERING
GROUND
0555 PM 12 N VERNON TX 1.75 INCH HAIL
05/08/97 WILBARGER
0555 PM 2E GILLILAND TX 1.75 INCH HAIL
05/08/97 KNOX 0.75-1.75 INCH HAIL COVERING
GROUND
0600 PM FARGO TX 1.75 INCH HAIL
05/08/97 WILBARGER
0633 PM HAROLD TX 60 MPH WINDS AND 0.75 INCH HAIL
05/08/97 WILBARGER
0634 PM 4 W GRANDFIELD OK 0.88 INCH HAIL
05/08/97 TILLMAN
BZLocal storm report, May 8, 10:30 PM CDT, 21 minutes before
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</html>Local storm report, May 8, 10:43 PM CDT, 8 minutes before
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</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
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<p id="message2">
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:05 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Love | 40 min |
| May 8, 7:15 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 45 min |
| May 8, 8:32 PM CDT | Severe Thunderstorm Warning | OUN | Bryan, Marshall | 43 min |
| May 8, 10:05 PM CDT | Flash Flood Warning | OUN | Carter, Love | 3 hr |
| May 8, 7:08 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay | 52 min |
| May 8, 7:15 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Knox | 45 min |
| May 8, 7:55 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay, Wichita | 50 min |
| May 8, 7:55 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Knox | 50 min |
| May 8, 8:00 PM CDT | Tornado Warning | OUN | Clay | 45 min |
| May 8, 8:28 PM CDT | Flash Flood Warning | OUN | Wichita | 3 hr |
| May 8, 8:34 PM CDT | Flash Flood Warning | OUN | Archer, Clay | 3 hr |
| May 8, 8:41 PM CDT | Tornado Warning | OUN | Clay | 34 min |
| May 8, 9:24 PM CDT | Flash Flood Warning | OUN | Baylor, Knox | 4 hr |
| May 8, 11:09 PM CDT | Flash Flood Warning | OUN | Archer, Clay, Wichita | 3 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1997Every severe thunderstorm warning in 1997
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.