Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 347, NWS Tulsa, OK

November 5, 1997Cherokee County, Muskogee County, Wagoner County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Nov 5, 1997, 1:26 AM CST for Cherokee County, Muskogee County, Wagoner County, Oklahoma. It was in force for 64 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
Nov 5, 1997, 1:26 AM CST (07:26 UTC)
Expired
Nov 5, 1997, 2:30 AM CST
In force
64 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Cherokee County, OK, Muskogee County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 45 km from the middle of the area, began a volume at 07:33 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

TimeReportWhereRemark
Nov 5, 1:30 AM CSTHail 1Porter, OK
Nov 5, 1:35 AM CSTHail 0.75Ft Gibson, 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, 7.4 hours before the alert went out and 180 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 1997-11-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 1997-11-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 230 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUL 050726 RRA
SVRTUL
OKC021-101-145-050830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
126 AM CST WED NOV 5 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL OKLAHOMA
 
   ...CHEROKEE COUNTY...MUSKOGEE COUNTY
 
IN NORTHEAST OKLAHOMA
 
   ...EASTERN WAGONER COUNTY
 
AT 125 AM...RADAR SHOWED SEVERE THUNDERSTORMS 3 MILES SOUTHWEST OF
WAGONER AND 2 MILES NORTHEAST OF MUSKOGEE AND ANOTHER ONE NEAR BRAGGS.
THE STORMS WERE ALL MOVING EAST AT 25 MPH. WAGONER...BRAGGS...PETTIT AND
TAHLEQUAH ARE IN THE PATHS OF THESE STORMS.
 
 
HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH 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, 3 hours 58 minutes earlier.

Area forecast discussion, Nov 4, 9:28 PM CST, 3 hours 58 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.

IssuedProductOfficeCountiesLasted
Nov 5, 12:05 AM CSTSevere Thunderstorm WarningTSARogers55 min
Nov 5, 12:25 AM CSTSevere Thunderstorm WarningTSAMayes50 min
Nov 5, 12:51 AM CSTSevere Thunderstorm WarningTSAMuskogee39 min
Nov 5, 1:13 AM CSTSevere Thunderstorm WarningTSAMayes47 min
Nov 5, 1:20 AM CSTSevere Thunderstorm WarningTSASequoyah40 min
Nov 5, 1:33 AM CSTSevere Thunderstorm WarningTSAMcIntosh, Pittsburg57 min
Nov 5, 1:58 AM CSTSevere Thunderstorm WarningTSASequoyah47 min
Nov 5, 2:03 AM CSTSevere Thunderstorm WarningTSALeFlore57 min
Nov 5, 2:13 AM CSTSevere Thunderstorm WarningTSAAdair62 min
Nov 5, 2:25 AM CSTSevere Thunderstorm WarningTSAMcIntosh, Pittsburg50 min
Nov 5, 2:41 AM CSTSevere Thunderstorm WarningTSASequoyah49 min
Nov 5, 2:46 AM CSTSevere Thunderstorm WarningTSACherokee44 min
Nov 5, 2:51 AM CSTSevere Thunderstorm WarningTSAHaskell54 min
Nov 5, 2:57 AM CSTSevere Thunderstorm WarningTSALeFlore48 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.