Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 663, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jul 21, 1995, 7:14 PM CDT for Caddo County, Oklahoma. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Jul 21, 1995, 7:14 PM CDT (00:14 UTC)
- Expired
- Jul 21, 1995, 8:00 PM CDT
- In force
- 46 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Caddo County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 0.2 hours before the alert went out and 89 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
- 3489 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1356 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.5
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 Jul 21, 3:25 PM CDT, 3 hours 49 minutes earlier.
Area forecast discussion, Jul 21, 3:25 PM CDT, 3 hours 49 minutes before
FPUS3 KOKC 212025 AFDOKC AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 325 PM CDT FRI JUL 21 1995 LOOKS LIKE CONT SCT RW/TRW FOR TNGT AND TMW BEFORE RIDGE BEGINS TO NOSE INTO FA AND CAP STRENGTHENS AND SHUTS US OUT. EVEN THEN WITH SOME NWLY FLOW RMNG ACROSS N OKLA WL LV LOW POPS IN THE N ZNS THRU THE FCST. CU HAS BEEN BUBBLING LAST HOUR OR TWO. WL MAKE LAST MINUTE ADJUSTMENTS FOR FIRST PD POPS LOOKING AT SATEL AND RADAR JUST BEFORE ISSUING ZONES. MOS TEMPS LOOK OK. FCSTID = 26 FIRST GUESS: OKC 71 96 73 97 / 20 20 10 10 HBR 74 99 74 100 / 20 20 10 10 SPS 74 99 74 100 / 20 20 10 10 GAG 70 96 70 96 / 20 20 20 20 PNC 74 97 75 97 / 20 20 20 20 DUA 75 95 76 96 / 30 20 10 10 .OKC...NONE. .TX...NONE.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 7:08 PM CDT | Severe Thunderstorm Warning | OUN | Grant | 52 min |
| Jul 21, 7:36 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Grant | 39 min |
| Jul 21, 7:39 PM CDT | Tornado Warning | OUN | Caddo | 36 min |
| Jul 21, 8:08 PM CDT | Severe Thunderstorm Warning | OUN | Caddo | 52 min |
| Jul 21, 8:58 PM CDT | Severe Thunderstorm Warning | OUN | Caddo | 47 min |
| Jul 21, 9:59 PM CDT | Severe Thunderstorm Warning | OUN | Harper, Woods, Woodward | 46 min |
| Jul 21, 10:41 PM CDT | Severe Thunderstorm Warning | OUN | Harper, Woods, Woodward | 49 min |
| Jul 21, 11:27 PM CDT | Severe Thunderstorm Warning | OUN | Major, Woods, Woodward | 48 min |
| Jul 21, 11:53 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Major | 52 min |
| Jul 22, 12:38 AM CDT | Severe Thunderstorm Warning | OUN | Garfield, Major | 52 min |
| Jul 22, 1:01 AM CDT | Severe Thunderstorm Warning | OUN | Kay | 44 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1995Every severe thunderstorm warning in 1995
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.