Alert archive / Michigan / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 29, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Aug 2, 1986, 2:26 PM EDT for Livingston County, Michigan. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Aug 2, 1986, 2:26 PM EDT (18:26 UTC)
- Expired
- Aug 2, 1986, 3:10 PM EDT
- In force
- 44 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
County Livingston County, MI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Detroit, MI (KFNT), launched 12:00Z, 6.4 hours before the alert went out and 41 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
- 307 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 862 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 96 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.
In the hours before
Special weather statement, Aug 2, 1:22 PM EDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLINT MI 115 PM EDT SAT AUG 2 1986 ... INTENSE THUNDERSTORMS MOVING INTO SHIAWASSEE COUNTY... WEATHER RADAR SHOWS INTENSE THUNDERSTORMS MOVING INTO EXTREME NORTHWEST SHIAWASSEE COUNTY OF CENTRAL LOWER MICHIGAN. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF EAST CENTRAL AND SOUTHEAST LOWER MICHIGAN UNTIL 7PM EDT. THESE THUNDERSTORMS A PART OF A LINE OF HEAVY THUNDERSTORMS STRETCHING FROM THE SOUTHWEST THUMB TO KALAMAZOO. IF THREATENING WEATHER APPROACHES... MOVE TO A PLACE OF SAFETY. JOHNSON
Special weather statement, Aug 2, 1:40 PM EDT, 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ANN ARBOR MI 135 PM EDT SAT AUG 2 1986 ...SEVERE THUNDERSTORM WATCH NUMBER 451 CONTINUES IN EFFECT UNTIL 700PM FOR MUCH OF SOUTHEAST LOWER MICHIGAN... A LINE OF VERY STRONG THUNDERSTORMS CONTINUES TO MOVE EAST ACROSS LOWER MICHIGAN THIS AFTERNOON. RADAR INDICATES THAT SOME OF THESE STORMS HAVE BECOME DANGEROUS AND WILL CONTINUE TO DO SO UNTIL THE LINE MOVES EAST OF THE STATE THIS EVENING. PERSONS IN OR NEAR THE WATCH AREA SHOULD BE ALERT FOR THREATENING CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. STAY TUNED TO YOUR LOCAL RADIO OR TV STATION OR THE NEAREST NOAA WEATHER RADIO STATION FOR THE LATEST STATEMENTS AND WARNINGS., DGH
Special weather statement, Aug 2, 2:25 PM EDT, 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLINT MI 230 PM EDT SAT AUG 2 1986 ...INTENSE THUNDERSTORMS MOVING THRU GENESEE AND SHIAWASEE COUNTIES ... REPORTS OF HEAVY THUNDERSTORMS..FUNNEL CLOUDS..WINDS IN EXCESS OF 50 MPH AND HAIL WERE RECEIVED IN SOUTHERN GENESSEE COUNTY DURING PAST HOUR. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF EAST CENTRAL AND SOUTHEAST LOWER MICHIGAN UNTIL 7PM EDT. THESE THUNDERSTORMS A PART OF A LINE OF HEAVY THUNDERSTORMS STRETCHING FROM THE SOUTHERN THUMB TO HILLSDALE. IF THREATENING WEATHER APPROACHES... MOVE TO A PLACE OF SAFETY. TOERPE
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 2:13 PM EDT | Tornado Warning | DTX | Genesee | 32 min |
| Aug 2, 2:26 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 44 min |
| Aug 2, 2:35 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 55 min |
| Aug 2, 3:25 PM EDT | Tornado Warning | DTX | Macomb | 25 min |
| Aug 2, 3:47 PM EDT | Tornado Warning | DTX | Saint Clair | 28 min |
| Aug 2, 3:57 PM EDT | Tornado Warning | DTX | Wayne | 23 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1986Every severe thunderstorm warning in 1986
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.