Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 366, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jul 15, 1997, 3:56 PM CDT for Carter County, Oklahoma. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1997, 3:56 PM CDT (20:56 UTC)
- Expired
- Jul 15, 1997, 4:45 PM CDT
- In force
- 49 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
County Carter County, OK
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 15, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 8.9 hours before the alert went out and 108 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
- 1353 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 1708 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOKC 152057 RRA SVROKC OKC019-152145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 356 PM CDT TUE JUL 15 1997 THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM CDT FOR THE FOLLOWING LOCATION... IN SOUTHEAST OKLAHOMA ...WESTERN CARTER COUNTY AT 357 PM...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHWEST OF HEALDTON. MOVEMENT IS TO THE SOUTHEAST AT 10 MPH. HAIL TO THE SIZE OF QUARTERS AND WINDS IN EXCESS OF 60 MPH CAN BE EXPECTED WITHT THIS STORM. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. MCCAMMON/KG
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 15, 3:30 PM CDT, 26 minutes earlier.
Area forecast discussion, Jul 15, 3:30 PM CDT, 26 minutes before
FPUS3 KOKC 160220 AFDOKC AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 330 PM CDT TUE JUL 15 1997 REMOVED MENTION OF SVR OUT OF SE ZNS WITH WATCHES EXPIRED AND STM INTENSITIES DECLINING. HOWEVER...WILL LEAVE POPS IN FOR THE REST OF TONIGHT WITH S/WV OFR
In the hours before
Local storm report, Jul 15, 10:03 AM CDT, 5 hours 53 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
1005 AM CDT TUE JUL 15 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1000 AM 7 N WATONGA OK 0.88 INCH HAIL.
07/15/97 BLAINE
MCCAMMONLocal storm report, Jul 15, 10:05 AM CDT, 5 hours 51 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
1005 AM CDT TUE JUL 15 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1000 AM 7 N WATONGA OK 0.88 INCH HAIL.
07/15/97 BLAINE
MCCAMMONLocal storm report, Jul 15, 2:24 PM CDT, 1 hour 32 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
225 PM CDT TUE JUL 15 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0215 PM LAKE LAWTONKA OK 0.88 INCH HAIL.
07/15/97 COMANCHE
MCCAMMONLocal storm report, Jul 15, 2:25 PM CDT, 1 hour 31 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
225 PM CDT TUE JUL 15 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0215 PM LAKE LAWTONKA OK 0.88 INCH HAIL.
07/15/97 COMANCHE
MCCAMMONThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 5:20 AM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Woods | 40 min |
| Jul 15, 8:30 AM CDT | Severe Thunderstorm Warning | OUN | Blaine | 45 min |
| Jul 15, 9:52 AM CDT | Severe Thunderstorm Warning | OUN | Blaine | 53 min |
| Jul 15, 10:00 AM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Major | 45 min |
| Jul 15, 11:05 AM CDT | Severe Thunderstorm Warning | OUN | Custer, Dewey | 40 min |
| Jul 15, 1:51 PM CDT | Severe Thunderstorm Warning | OUN | Pontotoc | 39 min |
| Jul 15, 2:32 PM CDT | Severe Thunderstorm Warning | OUN | Garvin | 43 min |
| Jul 15, 2:39 PM CDT | Severe Thunderstorm Warning | OUN | Johnston | 51 min |
| Jul 15, 2:44 PM CDT | Severe Thunderstorm Warning | OUN | McClain | 46 min |
| Jul 15, 3:01 PM CDT | Severe Thunderstorm Warning | OUN | Marshall | 44 min |
| Jul 15, 3:10 PM CDT | Severe Thunderstorm Warning | OUN | Garvin | 50 min |
| Jul 15, 3:13 PM CDT | Severe Thunderstorm Warning | OUN | Stephens | 47 min |
| Jul 15, 3:21 PM CDT | Severe Thunderstorm Warning | OUN | Coal | 54 min |
| Jul 15, 3:43 PM CDT | Severe Thunderstorm Warning | OUN | Marshall | 47 min |
| Jul 15, 3:47 PM CDT | Severe Thunderstorm Warning | OUN | Pontotoc | 43 min |
| Jul 15, 4:50 PM CDT | Severe Thunderstorm Warning | OUN | Seminole | 40 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; the sounding from the Mesonet's radiosonde archive.