Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 342, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Nov 5, 1997, 12:05 AM CST for Rogers County, Oklahoma. It was in force for 55 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
- Nov 5, 1997, 12:05 AM CST (06:05 UTC)
- Expired
- Nov 5, 1997, 1:00 AM CST
- In force
- 55 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Rogers County, OK
The radar
The Tulsa radar (KINX), 22 km from the middle of the area, began a volume at 06:05 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 5, 12:15 AM CST | Hail 1 | Talala, 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
Springfield, MO (KSGF), launched 00:00Z, 6.1 hours before the alert went out and 171 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1991 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 230 m²/s²
- 0-3 km storm-relative helicity
- 242 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 050606 RRA SVRTUL OKC131-050700- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1205 AM CST WED NOV 5 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 100 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...ROGERS COUNTY AT 1204 AM...RADAR SHOWED A SEVERE THUNDERSTORM 6 MILES WEST OF OOLOGAH. THE STORM WAS MOVING EAST 25 MPH. OOLOGAH AND FOYIL ARE IN THE PATH OF THIS STORM. ANOTHER SEVERE STORM WAS LOCATED 5 MILES WEST OF INOLA. THIS STORM WAS ALSO MOVING EAST AT 25 MPH WITH INOLA IN THE PATH. ANOTHER SEVERE STORM WAS LOCATED 5 MILES NORTH OF CLAREMORE AND WAS MOVING EAST AT 25 MPH. HAIL TO THE SIZE OF NICKELS CAN BE EXPECTED IN THE WARNED AREA. DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS AND NEVER DRIVE ONTO A FLOODED ROAD. 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 Nov 4, 9:28 PM CST, 2 hours 37 minutes earlier.
Area forecast discussion, Nov 4, 9:28 PM CST, 2 hours 37 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE TULSA OK 925 PM CST TUE NOV 4 1997 ALL IS QUIET NOW BUT RAPID CHANGES WILL BE OCCURRING DURING THE NEXT FEW HOURS. 00Z UPPER AIR DATA SHOWS THE LOW LEVEL MOISTURE RETURNING RAPIDLY NORTH WITH H8 DEWPOINTS UP TO 10C AT FWD. AT THE SURFACE A NARROW AXIS OF DEWPOINTS INTO THE MID 50S IS POKING UP INTO SOUTH CENTRAL OK. STRONG SHORTWAVE IS SEEN MAKING ITS WAY ACROSS SOUTHWEST KANSAS TOWARDS NORTHERN OKLAHOMA WITH ENHANCED CLOUDINESS EXPANDING OUT AHEAD OF THE SHORTWAVE ACROSS CENTRAL OK. 30 KNOT LOW LEVEL JET WILL CONTINUE TO ADVECT LOW LEVEL MOISTURE INTO ERN OK AND NW AR OVERNIGHT WITH DEWPOINTS INCREASING INTO THE 50S LATER TONIGHT AHEAD OF THE SFC FRONT WHICH WILL ENTER NE OK LATER TONIGHT. RAPID SHOWER AND TSTM DEVELOPMENT SEEMS LIKELY IN THE NEXT 1-3 HOURS AS THE EFFECTS OF THE SHORTWAVE BEGIN TO BE FELT IN THE AREA OF INCREASING LOW LEVEL MOISTURE. THESE SHOWERS AND STORMS WILL BEGIN AFFECTING PARTS OF ERN OK AROUND MIDNIGHT. TEMPS ALOFT ARE QUITE COLD AND HAIL PRODUCTION SEEMS LIKELY WITH STORMS TONIGHT. THE BEST CHANCES FOR SEVERE WEATHER WILL BE IN SE OK WHERE LOW LEVEL MOISTURE AND INSTABILITY WILL BE GREATEST BUT CANNOT RULE OUT MARGINALLY SEVERE HAIL ANYWHERE IN THE FCST AREA OVERNIGHT. DID ADJUST MIN TEMPS UP A BIT TONIGHT BUT NOT TOO MUCH SINCE THE PRECIP SHOULD KNOCK THEM DOWN SOME. ALSO RAISED POPS IN MOST AREAS. NO CHANGES TO THE LATER PERIODS OF THE FCST ATTM. LOOKS LIKE WRAPAROUND CLOUDINESS WILL BE A PROBLEM TO BE RECKONED WITH FOR WEDNESDAY AFTERNOON AND EVENING AND THIS SEEMS TO BE WELL HANDLED IN THE CURRENT FCST. FCSTID = 5 TUL 49 58 40 60 / 50 30 10 5 FSM 48 59 41 60 / 70 60 10 10 MLC 52 63 40 60 / 70 30 10 5 BVO 45 58 38 60 / 30 20 5 0 FYV 48 55 40 56 / 70 60 10 10 IDB 51 63 39 61 / 70 60 10 10 BYV 46 56 39 56 / 70 60 10 10 MIO 47 57 40 58 / 70 30 10 5 MKO 51 63 40 60 / 70 30 10 5 F10 49 58 40 60 / 50 30 10 5 .TUL... OK...NONE. AR...NONE. PLATE
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 5, 12:25 AM CST | Severe Thunderstorm Warning | TSA | Mayes | 50 min |
| Nov 5, 12:51 AM CST | Severe Thunderstorm Warning | TSA | Muskogee | 39 min |
| Nov 5, 1:13 AM CST | Severe Thunderstorm Warning | TSA | Mayes | 47 min |
| Nov 5, 1:20 AM CST | Severe Thunderstorm Warning | TSA | Sequoyah | 40 min |
| Nov 5, 1:26 AM CST | Severe Thunderstorm Warning | TSA | Cherokee, Muskogee, Wagoner | 64 min |
| Nov 5, 1:33 AM CST | Severe Thunderstorm Warning | TSA | McIntosh, Pittsburg | 57 min |
| Nov 5, 1:58 AM CST | Severe Thunderstorm Warning | TSA | Sequoyah | 47 min |
| Nov 5, 2:03 AM CST | Severe Thunderstorm Warning | TSA | LeFlore | 57 min |
| Nov 5, 2:13 AM CST | Severe Thunderstorm Warning | TSA | Adair | 62 min |
| Nov 5, 2:25 AM CST | Severe Thunderstorm Warning | TSA | McIntosh, Pittsburg | 50 min |
| Nov 5, 2:41 AM CST | Severe Thunderstorm Warning | TSA | Sequoyah | 49 min |
| Nov 5, 2:46 AM CST | Severe Thunderstorm Warning | TSA | Cherokee | 44 min |
| Nov 5, 2:51 AM CST | Severe Thunderstorm Warning | TSA | Haskell | 54 min |
| Nov 5, 2:57 AM CST | Severe Thunderstorm Warning | TSA | LeFlore | 48 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.