Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 283, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 17, 1997, 9:11 PM CDT for Pawnee County, Oklahoma. It was in force for 49 min. 2 reports 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
- Jul 17, 1997, 9:11 PM CDT (02:11 UTC)
- Expired
- Jul 17, 1997, 10:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Pawnee County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 17, 9:15 PM CDT | Thunderstorm Wind | Ralston, OK | |
| Jul 17, 9:20 PM CDT | Hail 0.75 | Pawnee, OK |
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, 2.2 hours before the alert went out and 137 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
- 1936 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1989 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 180213 RRA SVRTUL OKC117-180300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 911 PM CDT THU JUL 17 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...PAWNEE COUNTY AT 9 09 PM SEVERE THUNDERSTORMS WERE LOCATED FROM RALSTON TO PAWNEE TO JENNINGS. MOVEMENT WAS TO THE SOrUTH AT 15 MILES AN HOUR. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
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 Jul 17, 9:10 PM CDT, 1 minute earlier.
Area forecast discussion, Jul 17, 9:10 PM CDT, 1 minute before
FPUS3 KTUL 180208 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 910 PM CDT THU JUL 17 1997 TSTMS IN ASSOCIATION WITH SLOW MOVING MCV PERSIST ACROSS THE NW PART OF THE FCST AREA THIS EVENING. STORMS ARE FINALLY ON THE MOVE A BIT TO THE SOUTH SO THE CURRENT FFA SEEMS OK. IT APPEARS STORMS WILL PERSIST ALL NIGHT AGAIN NEAR THE CENTER OF THE MCV SO MORE EXCESSIVE RAINFALL IS LIKELY...BUT PROBABLY SOUTH OF THE AREAS WHICH SAW THE MOST RAIN EARLIER TODAY. DIURNAL CONVECTION HAS PRETTY MUCH DIED OUT ACROSS THE REST OF THE FCST AREA SO WILL REMOVE POPS EXCEPT NEAR THE MCV. MAY ALSO TWEAK TEMPS AND WINDS A BIT FOR TONIGHT. WILL UPDATE ZONES BY AROUND 03Z. .TUL... OK...FFA TONIGHT FOR ZONES 054-059-064-065. AR...NONE. PLATE
In the hours before
Local storm report, Jul 17, 8:19 PM CDT, 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
819 PM CDT THU JUL 17 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0335 PM OKMULGEE OK 65 MPH TSTM GUST
07/17/97 OKMULGEE
0348 PM OKMULGEE OK 75 MPH TSTM GUST
07/17/97 OKMULGEE
0448 PM 8 SW MC ALESTER OK .75 INCH HAIL
07/17/97 PITTSBURG AT ARMY AMMUNITION PLANT
0506 PM SHIDLER OK FLOODING
07/17/97 OSAGE 2 FEET OF STANDING WATER
IN SOME PARTS OF SHIDLER
0540 PM BARLING AR .75 INCH HAIL
07/17/97 SEBASTIAN
0543 PM SHIDLER OK .75 INCH HAIL
07/17/97 OSAGE
0559 PM VAN BUREN AR .75 INCH HAIL
07/17/97 CRAWFORD SOUTH SIDE OF TOWN
0559 PM VAN BUREN AR 75 MPH TSTM GUST
07/17/97 CRAWFORD TREES DOWN ON SOUTH SIDE
OF TOWN
0612 PM SHIDLER OK 1 INCH HAIL
07/17/97 OSAGE
0715 PM 3 NE PAWNEE OK 72 MPH TSTM GUST
07/17/97 PAWNEE AT MESONET SITE BETWEEN
715 AND 730 PM
0720 PM FAIRFAX OK FLOODING
07/17/97 OSAGE STATE HIGHWAY 18 UNDER
WATER NEAR FAIRFAX
0729 PM FAIRFAX OK 80 MPH TSTM GUST
07/17/97 OSAGE TREES DOWNED
0735 PM 3 NE PAWNEE OK 83 MPH TSTM GUST
07/17/97 PAWNEE AT MESONET SITE
0815 PM JENNINGS OK 80 MPH TSTM GUST
07/17/97 PAWNEELocal storm report, Jul 17, 8:20 PM CDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
819 PM CDT THU JUL 17 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0335 PM OKMULGEE OK 65 MPH TSTM GUST
07/17/97 OKMULGEE
0348 PM OKMULGEE OK 75 MPH TSTM GUST
07/17/97 OKMULGEE
0448 PM 8 SW MC ALESTER OK .75 INCH HAIL
07/17/97 PITTSBURG AT ARMY AMMUNITION PLANT
0506 PM SHIDLER OK FLOODING
07/17/97 OSAGE 2 FEET OF STANDING WATER
IN SOME PARTS OF SHIDLER
0540 PM BARLING AR .75 INCH HAIL
07/17/97 SEBASTIAN
0543 PM SHIDLER OK .75 INCH HAIL
07/17/97 OSAGE
0559 PM VAN BUREN AR .75 INCH HAIL
07/17/97 CRAWFORD SOUTH SIDE OF TOWN
0559 PM VAN BUREN AR 75 MPH TSTM GUST
07/17/97 CRAWFORD TREES DOWN ON SOUTH SIDE
OF TOWN
0612 PM SHIDLER OK 1 INCH HAIL
07/17/97 OSAGE
0715 PM 3 NE PAWNEE OK 72 MPH TSTM GUST
07/17/97 PAWNEE AT MESONET SITE BETWEEN
715 AND 730 PM
0720 PM FAIRFAX OK FLOODING
07/17/97 OSAGE STATE HIGHWAY 18 UNDER
WATER NEAR FAIRFAX
0729 PM FAIRFAX OK 80 MPH TSTM GUST
07/17/97 OSAGE TREES DOWNED
0735 PM 3 NE PAWNEE OK 83 MPH TSTM GUST
07/17/97 PAWNEE AT MESONET SITE
0815 PM JENNINGS OK 80 MPH TSTM GUST
07/17/97 PAWNEEThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:07 PM CDT | Tornado Warning | TSA | Osage | 38 min |
| Jul 17, 7:37 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 53 min |
| Jul 17, 7:48 PM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 6 hr |
| Jul 17, 8:14 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 46 min |
| Jul 17, 8:22 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 53 min |
| Jul 17, 8:57 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 48 min |
| Jul 17, 9:29 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 46 min |
| Jul 17, 11:09 PM CDT | Flash Flood Warning | TSA | Creek | 3 hr |
| Jul 18, 12:42 AM CDT | Flash Flood Warning | TSA | Okfuskee | 3 hr |
| Jul 18, 1:40 AM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 6 hr |
| Jul 18, 3:37 AM CDT | Flash Flood Warning | TSA | Okfuskee | 4 hr |
| Jul 18, 7:43 AM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 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.