Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 356, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 17, 1996, 3:44 PM CDT for Osage County, Oklahoma. It was in force for 61 min. 4 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
- Aug 17, 1996, 3:44 PM CDT (20:44 UTC)
- Expired
- Aug 17, 1996, 4:45 PM CDT
- In force
- 61 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Osage County, OK
The radar
The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 20:43 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 |
|---|---|---|---|
| Aug 17, 3:54 PM CDT | Thunderstorm Wind 61 | Pawhuska, OK | |
| Aug 17, 3:54 PM CDT | Hail 1.75 | Pawhuska, OK | |
| Aug 17, 3:55 PM CDT | Hail 1 | Pawhuska, OK | |
| Aug 17, 3:55 PM CDT | Thunderstorm Wind 65 | Pawhuska, 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 12:00Z, 8.7 hours before the alert went out and 181 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
- 49 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1334 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Aug 17, 3:43 PM CDT, 1 minute earlier.
Area forecast discussion, Aug 17, 3:43 PM CDT, 1 minute before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 340 PM CDT SAT AUG 17 1996 TWO AREAS OF RAINFALL ONGOING AT THIS TIME. ONE AREA OF RAIN WITH EMBEDDED THUNDER IS LOCATED OVER NW AR AND XTRM E OK AND MOVING TO THE NORTHEAST...WHILE A LINE OF THUNDERSTORMS DRIFTS EVER SO SLOWLY EASTWARD ALONG AND JUST SOUTH OF THE KS BORDER. WILL KEEP 50 TO 60 POPS TO HANDLE THIS ACTIVITY THIS EVENING ALONG THE KS AND MO BORDERS. WILL ALSO SPREAD CHANCE POPS THIS EVENING FURTHER SOUTH AS SHEAR ZONE REMAINS JUST WEST OF THE AREA WITH PLENTY OF MOISTURE TO WORK WITH. BOTH THE NGM AND AVN FORECAST A RIDGE TO BUILD OUT OVER THE AREA THROUGH THE PERIOD...AS THE VORT GETS PICKED IN INCREASING SOUTHWEST FLOW. WILL GO AHEAD AND LEAVE CHANCE POPS IN FORECAST FOR TOMORROW WHILE SHEAR ZONE CONTINUES TO DRAG ITS FEET...BUT WILL ONLY HAVE SLIGHT CHANCE IN NE ZONES FOR SUNDAY NIGHT AND HOPE THAT THIS THING ACTUALLY MOVES ON OUTTA HERE. WITH PLENTY OF LOW-LEVEL MOISTURE AROUND WILL CALL TOMORROW PARTLY SUNNY/MOSTLY CLOUDY AND UNDERCUT MOS TEMPS CAT OR SO. LOOKS LIKE WE MAY SEE SOME DECENT SUNSHINE ON MONDAY WITH PARTLY CLOUDY SKIES...AND TEMPS SHOULD RISE WELL. WILL ONLY UNDERCUT MOS BY A DEGREE OR TWO FOR MONDAY. MOS LOWS LOOK REASONABLE AND FORECAST LOWS WILL BE CLOSE. ...19... ...PRELIM NUMBERS... TUL 70/86 73/90 43-2 FSM 70/83 66/90 4412 MLC 70/85 72/89 32-2 FYV 66/8L2 69/89 5422 BVO 67/88 72/92 53-2 BYV 66/80 64/88 5422 IDB 69/90 68/92 2212 .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 |
|---|---|---|---|---|
| Aug 17, 4:22 PM CDT | Flash Flood Warning | TSA | Osage | 3 hr |
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.