Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 347, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jun 4, 1996, 4:33 PM CDT for Harper County, Woods County, Oklahoma. It was in force for 42 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
- Jun 4, 1996, 4:33 PM CDT (21:33 UTC)
- Expired
- Jun 4, 1996, 5:15 PM CDT
- In force
- 42 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Harper County, OK, Woods County, OK
The radar
The Vance AFB radar (KVNX), 102 km from the middle of the area, began a volume at 21:34 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 |
|---|---|---|---|
| Jun 4, 5:15 PM CDT | Thunderstorm Wind | Selman, 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
Dodge City, (KDDC), launched 12:00Z, 9.6 hours before the alert went out and 124 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
- 1405 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 243 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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 4, 3:28 PM CDT, 1 hour 5 minutes earlier.
Area forecast discussion, Jun 4, 3:28 PM CDT, 1 hour 5 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 410 PM CDT TUE JUN 4 1996 BNDRY ACRS NRN OK WITH VRY HI LI'S IN UNCAPPED AIRMASS TO ITS SOUTH. LTST RADAR FM AMA AND DDC SHOW SFC BASED CONVECTION DVLPG IN PH SO WL GO WITH HIGHEST POPS ACRS NRN ZONES THIS EVE. EVEN THO LO LVL WNDS ARE LGT...WITH NWLY UPR FLOW THE TURNING OF LOW AND MID LVL WNDS MAY BE ENOUGH TO PROMOTE DVLPMNT OF SOME SUPERCELLS. AFT TNGT RDG SHD BEGIN TO MOVE IN FM THE W WHILE SFC TROF/FNT SHIFTS EWD ACRS AREA THU. THUS WILL TAPER OFF POPS FM W TO EAST IN LATER PDS. FCSTID = 12 OKC 65 88 69 88 / 40 20 20 20 HBR 63 92 68 90 / 30 20 10 10 SPS 65 92 70 91 / 30 20 20 20" GAG 61 91 63 87 / 30 20 10 10 PNC 63 87 67 87 / 50 30 20 10 DUA 67 88 70 89 / 30 30 20 20 .OKC... OK...NONE. TX...NONE.
In the hours before
Special weather statement, Jun 4, 12:28 PM CDT, 4 hours 5 minutes before
OKZ004>053-TXZ083>090-051200- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1230 PM CDT TUE JUN 4 1996 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT ACROSS WESTERN...CENTRAL...SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS. THE HIGHEST THREAT OF SEVERE WEATHER WILL BE THIS AFTERNOON IN NORTHERN AND CENTRAL OKLAHOMA...AND ACROSS CENTRAL AND SOUTHEASTERN OKLAHOMA TONIGHT. A WARM FRONT EXTENDING FROM SOUTHWESTERN KANSAS TO ENID TO MCALESTER WILL LIKELY BE THE FOCAL POINT FOR THUNDERSTORMS THIS AFTERNOON AND TONIGHT. THUNDERSTORMS ARE CURRENTLY INCREASING IN CENTRAL KANSAS AND THIS ACTIVITY IS EXPECTED TO MOVE SOUTHEAST INTO NORTHERN OKLAHOMA THIS AFTERNOON. THE ACTIVITY WILL LIKELY BECOME MORE WIDESPREAD AND INTENSE LATE THIS AFTERNOON...WITH STORMS CONTINUING INTO CENTRAL AND SOUTHEASTERN OKLAHOMA TONIGHT. THE AIRMASS OVER THE AREA IS SUFFICIENTLY MOIST AND UNSTABLE TO SUPPORT SEVERE THUNDERSTORMS...AND ISOLATED TORNADOES WILL ALSO BE POSSIBLE. SOUTHERLY WINDS ARE ALSO INCREASING IN THE EASTERN TEXAS PANHANDLE AND WESTERN OKLAHOMA...SO THE AREA OF THUNDERSTORMS MAY BUILD WESTWARD AND MOVE INTO SOUTHWESTERN OKLAHOMA AND WESTERN NORTH 6TEXAS MAINLY TONIGHT. EMERGENCY MANAGEMENT AGENCIES AND SPOTTER GROUPS KEEP INFORMED ON THE LATEST WEATHER INFORMATION AND BE PREPARED FOR ACTIVATION THIS AFTERNOON AND TONIGHT. BSC
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 7:00 PM CDT | Severe Thunderstorm Warning | OUN | Grady, McClain | 45 min |
| Jun 3, 7:31 PM CDT | Severe Thunderstorm Warning | OUN | Kiowa, Tillman | 44 min |
| Jun 3, 8:02 PM CDT | Severe Thunderstorm Warning | OUN | Pontotoc | 43 min |
| Jun 3, 8:21 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 39 min |
| Jun 3, 8:33 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 42 min |
| Jun 3, 9:16 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan | 44 min |
| Jun 4, 5:12 PM CDT | Severe Thunderstorm Warning | OUN | Harper, Woods, Woodward | 48 min |
| Jun 4, 5:57 PM CDT | Severe Thunderstorm Warning | OUN | Harper, Woodward | 48 min |
| Jun 4, 6:09 PM CDT | Tornado Warning | OUN | Woodward | 36 min |
| Jun 4, 6:43 PM CDT | Tornado Warning | OUN | Dewey, Woodward | 32 min |
| Jun 3, 7:37 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 53 min |
| Jun 3, 8:16 PM CDT | Severe Thunderstorm Warning | OUN | Knox | 44 min |
| Jun 3, 8:26 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Wilbarger | 49 min |
| Jun 3, 8:56 PM CDT | Severe Thunderstorm Warning | OUN | Knox | 49 min |
| Jun 3, 9:13 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor, Wichita | 47 min |
| Jun 3, 9:13 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 47 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.