Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 119, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at May 8, 1997, 8:32 PM CDT for Bryan County, Marshall County, Oklahoma. It was in force for 43 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
- May 8, 1997, 8:32 PM CDT (01:32 UTC)
- Expired
- May 8, 1997, 9:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Bryan County, OK, Marshall County, OK
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 1.5 hours before the alert went out and 148 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
- 1444 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 916 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
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 May 8, 2:38 PM CDT, 5 hours 54 minutes earlier.
Area forecast discussion, May 8, 2:38 PM CDT, 5 hours 54 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 237 PM CDT THU MAY 8 1997 MODELS SEEM TO BE IN XCLNT AGRMT ON MAIN FTRS TO AFFECT THE FA OVER THE NEXT CPL DAYS. ALL PUSH CDFNT THRU THE FA OVRNT TNGT AND CLEAR THINGS OUT TMRW FM THE N AND E. WITH CDFNT ACRS THE AREA THIS EVE AND LOTS OF LOW LVL MSTR AND INSTABILITY NR AND S OF THE FNT...XPCT SCT SHRS AND TSTMS TO DVLP MNLY IN THE SRN HALF OF THE FA. A FEW STMS MAY GENERATE LARGE HAIL THIS EVE. GENLY WENT WITH FWC TEMPS XCPT FOR THE SPS AREA TNGT AND TMRW. NLY FLOW AND LNGRG DAYTIME CLDS WL LKLY KEEP TEMPS THERE ABT 5 TO 10 DEG BLO FWC VALUES. ON THE OTR HAND...FAN NUMBERS LOOK AWFULLY LOW FOR TMRW CONSDRG UPSTRM TEMPS AND TIME OF YEAR. ANTHR CDFNT IS PROGD INTO THE AREA MON AND TUE IN THE EXTDD PDS...ALG WITH THE USUAL TSTMS. FCSTID = 23 = CMS OKC 50 69 45 75 / 30 0 0 0 HBR 49 70 44 76 / 30 0 0 0 SPS 50 68 47 75 / 60 10 0 0 GAG 43 67 42 75 / 10 0 0 0 PNC 45 68 47 75 / 10 0 0 0 DUA 55 72 48 75 / 60 10 0 0 .OKC... OK...NONE. TX...NONE.
In the hours before
Local storm report, May 8, 4:40 PM CDT, 3 hours 52 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE NORMAN OK 0440 PM CDT THU MAY 8 1997 TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS... DATE ....COUNTY LOCATION.... 0427 PM 5 E HOLLIS OK 1.00 INCH HAIL 5/08/97 HARMON 0435 PM 9 W ALTUS OK 1.00 INCH HAIL 05/08/97 JACKSON BZ
Local storm report, May 8, 5:20 PM CDT, 3 hours 12 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, 2 hours 57 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, 1 hour 41 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, 6:52 PM CDT, 1 hour 40 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
BZThe 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, 10:05 PM CDT | Flash Flood Warning | OUN | Carter, Love | 3 hr |
| May 8, 10:51 PM CDT | Severe Thunderstorm Warning | OUN | Oklahoma | 24 min |
| 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; the sounding from the Mesonet's radiosonde archive.