Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 329, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 9, 1997, 1:29 AM CDT for Muskogee County, Oklahoma. It was in force for 46 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
- Oct 9, 1997, 1:29 AM CDT (06:29 UTC)
- Expired
- Oct 9, 1997, 2:15 AM CDT
- In force
- 46 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Muskogee County, OK
The radar
The Tulsa radar (KINX), 64 km from the middle of the area, began a volume at 06:29 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
Norman, OK (KOUN), launched 00:00Z, 6.5 hours before the alert went out and 188 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
- 2384 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 9.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 090630 RRA SVRTUL OKC101-090715- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 129 AM CDT THU OCT 9 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL OKLAHOMA ...NORTHERN MUSKOGEE COUNTY AT 128 AM...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 5 MILES WEST OF HASKELL TO 10 MILES SOUTHWEST OF BOYNTON. THE STORMS WERE MOVING EAST AT 35 MPH. BOYNTON...MUSKOGEE...HASKELL AND OKTAHA ARE IN THE PATH THE STORMS. 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 Oct 8, 11:35 PM CDT, 1 hour 54 minutes earlier.
Area forecast discussion, Oct 8, 11:35 PM CDT, 1 hour 54 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE TULSA OK 1135 PM CDT WED OCT 8 1997 UPDATED ZONES/RDF TO BRING UP POPS FOR AREAS GENLY ALG I44 (TULSA AREA WWD)...AND TOOK OUT MENTION OF SVR FOR ONE NWRN ZONE GROUP. STRONG ACTIVITY N OF I44 WL HAVE A HARD TIME MAKING IT AS STRONG CONVECTION TO THE S WL CUT DEEP STORM INFLOW. SATELLITE CONTS TO SHOW COOLING TOPS ACRS CNTRL/SWRN OK. FOCUS NOW SHIFTING TO AREAS ALG AND S OF I44. WL STILL HOLD OFF ON MENTIONING SVR ACRS WRN AR AS LLVL AMS WL ERODE STG ACTIVITY AS IT PUSHES IN FROM W. WITH RICH LLVL AMS AND CONT STREAM OF UPR ENERGY IN SWLY FLOW...THINK CHC POPS STILL WARRANTED FOR AREAS TO S AND E. UPDATED ZONES/RDF ALREADY OUT. FCSTID = 14 .TUL... OK...NONE. AR...NONE.
In the hours before
Local storm report, Oct 8, 10:24 PM CDT, 3 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1024 PM CDT WED OCT 08 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0934 PM 5 NW DEPEW OK .88 INCH HAIL
10/08/97 CREEK
0936 PM 5 NW DEPEW OK 60 MPH TSTM GUST
10/08/97 CREEK
1020 PM 3 S DEPEW OK .88 INCH HAIL
10/08/97 CREEKLocal storm report, Oct 8, 10:25 PM CDT, 3 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1024 PM CDT WED OCT 08 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0934 PM 5 NW DEPEW OK .88 INCH HAIL
10/08/97 CREEK
0936 PM 5 NW DEPEW OK 60 MPH TSTM GUST
10/08/97 CREEK
1020 PM 3 S DEPEW OK .88 INCH HAIL
10/08/97 CREEKThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 8, 7:46 PM CDT | Tornado Warning | TSA | Osage | 44 min |
| Oct 8, 8:26 PM CDT | Tornado Warning | TSA | Osage | 49 min |
| Oct 8, 8:31 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 59 min |
| Oct 8, 9:34 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 41 min |
| Oct 8, 10:08 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 52 min |
| Oct 8, 10:44 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okmulgee, Tulsa | 61 min |
| Oct 8, 11:29 PM CDT | Severe Thunderstorm Warning | TSA | Wagoner | 61 min |
| Oct 8, 11:49 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 56 min |
| Oct 9, 2:17 AM CDT | Flash Flood Warning | TSA | Muskogee | 3 hr |
| Oct 9, 2:30 AM CDT | Severe Thunderstorm Warning | TSA | Adair | 45 min |
| Oct 9, 2:43 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 32 min |
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; radar from the NEXRAD Level II archive.