Alert archive / Ohio / Tornado Warnings in 1991
Tornado Warning 4, NWS Wilmington, OH
NWS Wilmington, OH issued this tornado warning at Jul 8, 1991, 4:19 AM EDT for Miami County, Ohio. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Jul 8, 1991, 4:19 AM EDT (08:19 UTC)
- Expired
- Jul 8, 1991, 4:45 AM EDT
- In force
- 26 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Miami County, OH
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 00:00Z, 8.3 hours before the alert went out and 17 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
- 2675 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1471 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDAY 080820 TORDAY OHC109-080845- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DAYTON OH 419 AM EDT MON JUL 8 1991 THE NATIONAL WEATHER SERVICE IN DAYTON HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 445 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN WEST CENTRAL OHIO ...MIAMI COUNTY AT 415 AM EDT A HAM OPERATOR REPORTED A FUNNEL CLOUD NEAR TREE TOP LEVEL SOUTHWEST OF PLEASANT HILL IN WEST CENTRAL MIAMI COUNTY. THE FUNNEL CLOUD WAS MOVING SOUTHEAST AT 30 MPH. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. PROTECT YOUR HEAD... CHEST AND EXPOSED SKIN. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR AND PUT AS MANY XWALLS AS POSSIBLE BETWEEN YOURSELF AND THE STORM. OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. TORRENCE
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 8, 2:57 AM EDT, 1 hour 22 minutes before
OHZ006-007-009-011-080800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS OH 255 AM EDT MON JUL 8 1991 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL OHIO WEST OF A LINE FROM MARION TO COLUMBUS TO CHILLICOTHE UNTIL 700 AM EDT. AT 250 AM NATIONAL WEATHER SERVICE RADAR SHOWED A LARGE AREA OF THUNDERSTORMS OVER NORTWEST OHIO WEST OF A LINE FROM TOLEDO TO RICHMOND INDIANA. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 35 MILES AN HOUR AND WILL REACH THE COLUMBUS AREA BY 430 AM. THESE THUNDERSTORMS HAVE A HISTORY OF PRODUCING DAMAGING WINDS AND LARGE HAIL. IF THREATENING WEATHER APPROACHES MOVE TO A SAFE PLACE. LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SMITH
Special weather statement, Jul 8, 3:06 AM EDT, 1 hour 13 minutes before
OHZ008-KYZ005-INZ013-080800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 300 AM EDT MON JUL 8 1991 THE NAITONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR ALL OF SOUTHWEST OHIO UNTIL 700 AM EDT. THIS INCLUDES ADAMS...BROWN...BUTLER...CLERMONT...CLINTON...HAMILTON...HIGHLAND AND WARREN COUNTIES AS WELL AS THE CITY OF CINCINNATI. A LINE OF SEVERE THUNDERSTORMS IS DROPPING SOUTHEAST OUT OF NORTHERN INDIANA AND OHIO AT 45 MILES AN HOUR. THIS LINE HAS PRODUCED EXTENSIVE WIND DAMAGE IN INDIANA DURING THE PAST SEVERAL HOURS. HIAL UP TO GOLFBALL SIZE ALONG WITH TORRENTIAL RAINS HAVE ALSO BEEN REPORTED WITH THIS LINE OF STORMS. PERSONS IN SOUTHWEST OHIO SHOULD PREPARE FOR THUNDERSTORMS WHICH MAY PRODUCE WINDS IN EXCESS OF 60 MILES AN HOUR...LARGE HAIL... FREQUENT LIGHTNING AND VERY HEAVY DOWNPOURS OF RAIN. ALL PERSONS IN THE TRISTATE AREA SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS FOR THE NEXT SEVERAL HOURS. IF THUNDERSTORMS SHOULD OCCUR THIS MORNING IN YOUR LOCATION...TAKE TAKE SHELTER WITHOUT DELAY. STAY TUNED TO NOAA WEATHER RADIO OR THE COMMERCIAL MEDIA FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS. PYTLAK
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 10:50 PM EDT | Severe Thunderstorm Warning | ILN | Knox | 40 min |
| Jul 8, 2:06 AM EDT | Severe Thunderstorm Warning | ILN | Mercer, Van Wert | 54 min |
| Jul 8, 2:41 AM EDT | Severe Thunderstorm Warning | ILN | Allen | 64 min |
| Jul 8, 3:04 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize | 56 min |
| Jul 8, 3:12 AM EDT | Severe Thunderstorm Warning | ILN | Mercer | 63 min |
| Jul 8, 3:58 AM EDT | Severe Thunderstorm Warning | ILN | Miami | 62 min |
| Jul 8, 4:16 AM EDT | Tornado Warning | ILN | Greene | 29 min |
| Jul 8, 5:54 AM EDT | Severe Thunderstorm Warning | ILN | Butler | 66 min |
| Jul 8, 9:31 AM EDT | Severe Thunderstorm Warning | ILN | Butler, Hamilton | 59 min |
| Jul 8, 9:31 AM EDT | Severe Thunderstorm Warning | ILN | Clermont | 59 min |
Nearby
Tornado Warnings in Ohio, 1991Every tornado warning in 1991Tornadoes in 1991
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.