Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 320, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 5, 1996, 3:45 AM CDT for Cherokee County, Oklahoma. It was in force for 45 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 5, 1996, 3:45 AM CDT (08:45 UTC)
- Expired
- Jul 5, 1996, 4:30 AM CDT
- In force
- 45 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Cherokee County, OK
The radar
The Tulsa radar (KINX), 59 km from the middle of the area, began a volume at 08:45 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 |
|---|---|---|---|
| Jul 5, 3:50 AM CDT | Thunderstorm Wind | Hulbert, OK | |
| Jul 5, 3:50 AM CDT | Thunderstorm Wind | Hulbert, 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, 8.8 hours before the alert went out and 154 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
- 1041 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 050847 SVRTUL OKC021-050930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 345 AM CDT FRI JUL 5 1996 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL OKLAHOMA ...CHEROKEE COUNTY AT 345 AM A SEVERE THUNDERSTORM WAS JUST NORTHEAST OF HULBERT. THE STORM WAS MOVING SOUTH-SOUTHEAST AT 15 MPH. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 50 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.
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 4, 9:11 PM CDT, 6 hours 34 minutes earlier.
Area forecast discussion, Jul 4, 9:11 PM CDT, 6 hours 34 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
910 PM CDT THU JUL 4 1996
ALL PCPN HAS MOVED OUT OF FCST AREA THIS EVE. SFC FRONT GOT PUSHED S
AND W INTO NW OK AND NRN TX THIS AFTN/EVE AS TSTM OUTFLOW BROUGHT
GUSTY EAST/SE SFC WNDS TO ENTIRE FA.
SFC AND UPR AIR ANAL THIS EVE SHOWS A VERY STG JULY BAROCLINIC ZONE
IN THE TX/OK VCNTY. AT 850 MB...THE ZONE EXTDD FROM NW KS INTO CNTRL
OK AND INTO SRN ARK. THE 850 MB THETA-E RIDGE EXTDD FROM OUN TO SHV.
WITH NOCTURNAL INCRS IN LO LVL WNDS TONITE...XPCT REDEVELOPMENT OF
CONVECTION AFT 06Z. ACTIVITY SHUD ORGANIZE INTO ANOTHER MCS AND
CONTINUE INTO FRI MORN AS IT TRACKS SEWD. BEST GUESS ATTM FOR INITIAL
DEVELPMENT IS NEAR THE 850 MB FRONT FROM NEAR OR JUST S TUL TO NEAR
LIT.
AFTN PKG HAS GUD HANDLE ON XPCTD DEVELOPMENTS...SO NO MAJOR CHGS
PLANNED TO ZONES THIS UPDAT. WL REWORD SOME ZONES TO MENTION 'LATE'
FOR POPS.
/9
.TUL...
OK...NONE.
AR...NONE.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 2:57 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 48 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1996Every severe thunderstorm warning in 1996
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.