Alert archive / Michigan / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 2, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Apr 20, 1992, 8:56 PM EDT for Monroe County, Michigan. It was in force for 49 min.
The area
The counties it named.
The facts
- Issued
- Apr 20, 1992, 8:56 PM EDT (00:56 UTC)
- Expired
- Apr 20, 1992, 9:45 PM EDT
- In force
- 49 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
County Monroe County, MI
The nearest sounding before it
Detroit, MI (KFNT), launched 00:00Z, 0.9 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
- 96 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1016 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDTW 210056
SVRDTW
MIC115-210145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DETROIT MI
856 PM EDT MON APR 20 1992
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 945 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE SOUTHEAST PART OF LOWER MICHIGAN
MONROE
AT 853 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE
SEVERE THUNDERSTORM IN NORTHWEST OHIO...JUST WEST OF TOLEDO. THIS
THUNDERSTORM WAS MOVING TO THE NORTH AT AROUND 30 MPH...AND IT
WILL REACH THE LAMBERTVILLE AREA IN SOUTH MONROE COUNTY BY AROUND
9 PM...AND IDA BETWEEN 915 PM AND 930 PM. BOTH COMMUNITIES ARE 40
TO 50 MILES SOUTHWEST OF DOWNTOWN DETROIT.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND NEAR WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS
SHOULD AVOID LOW WATER CROSSINGS.
DJFWhat 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, Apr 20, 4:33 PM EDT, 4 hours 23 minutes before
MIZ069-070-083-210400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ANN ARBOR MI 432 PM EDT MON APR 20 1992 ...A DENSE FOG ADVISORY IS IN EFFECT FOR EASTERN UPPER MICHIGAN TONIGHT... AT 430 PM EDT... AREAS OF DENSE FOG PERSISTED ACROSS PARTS OF EAST UPPER MICHIGAN. VISIBILITIES REPORTED AROUND THE REGION... 1/8 MILE AT SAULT STE MARIE... 1/2 MILE AT KINROSS...NEAR ZERO AT ST IGNACE. A DENSE FOG ADVISORY IS IN EFFECT TONIGHT FOR EAST UPPER MICHIGAN. IF TRAVEL IS NECESSARY IN THE ADVISORY AREA TONIGHT... PLEASE DRIVE CAUTIOUSLY... USE YOUR LOW BEAM HEADLIGHTS... AND LEAVE PLENTY OF EXTRA ROOM BETWEEN YOU AND THE VEHICLE AHEAD OF YOU. STAY TUNED TO NATIONAL WEATHER SERVICE WEATHE(R RADIO FOR THE LATEST IN WEATHER INFORMATION.
Special weather statement, Apr 20, 8:20 PM EDT, 36 minutes before
MIZ019-021-027-028-210125- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT MI 817 PM EDT MON APR 20 1992 ...THUNDERSTORMS PRODUCING DANGEROUS LIGHTNING ARE MOVING INTO SOUTHEAST LOWER MICHIGAN... AT 810 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A THUNDERSTORM OVER FULTON COUNTY IN NORTHWEST OHIO...JUST SOUTH OF LENAWEE COUNTY IN SOUTHEAST LOWER MICHIGAN. THIS STORM WAS PRODUCING HEAVY RAINFALL AND DANGEROUS LIGHTNING. THIS THUNDERSTORM WAS MOVING TO THE NORTH NORTHEAST AT 30 MPH...AND IT WILL REACH THE COMMUNITIES OF MORENCI AND SENECA BETWEEN 830 PM AND 845 PM. BOTH COMMUNITIES ARE ABOUT 70 MILES SOUTHWEST OF DOWNTOWN DETROIT. AT ITS PRESENT RATE OF MOVEMENT...THE THUNDERSTORM WOULD REACH ADRIAN... 60 MILES WEST SOUTHWEST OF DOWNTOWN DETROIT...BY 915 PM. PERSONS ACROSS LENAWEE COUNTY SHOULD BE ALERT TO THE DEVELOPMENT OF THREATENING WEATHER. IF THREATENING WEATHER IS SIGHTED...PERSONS OUTDOORS SHOULD SEEK SHELTER INDOORS TO AVOID POTENTIALLY DEADLY LIGHTNING STRIKES. REMEMBER THAT TREES DO NOT PROVIDE ANY PROTECTION FROM LIGHTNING. IN ADDITION...PERSONS DRIVING INTO A THUNDERSTORM SHOULD PREPARE TO ENCOUNTER HEAVY RAINFALL. THE HEAVY RAINFALL WILL REDUCE VISIBILITIES AND PRODUCE PONDING OF WATER ON ROADS. WHILE DRIVING IN A STORM...BE SURE TO REDUCE SPEED AND MAINTAIN A SAFE DISTANCE BETWEEN VEHICLES. KEEP ABREAST OF THE LATEST WEATHER INFORMATION BY LISTENING TO NOAA WEATHER RADIO. DJF
Special weather statement, Apr 20, 8:23 PM EDT, 33 minutes before
MIZ069-070-083-210600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ANN ARBOR MI 822 PM EDT MON APR 20 1992 ...A DENSE FOG ADVISORY IS IN EFFECT FOR EASTERN UPPER MICHIGAN TONIGHT... AT 820 PM EDT... WIDESPREAD DENSE FOG PERSISTED ACROSS EASTERN UPPER MICHIGAN....WHERE A DENSE FOG ADVISORY REMAINS IN EFFECT TONIGHT. VISIBILITIES ACROSS THE REGION WERE FREQUENTLY AT OR BELOW 1/4 MILE ... WITH VISIBILITY NEAR ZERO AT SAULT STE MARIE ONTARIO AND ST. IGNACE ...1/16 MILE AT SAULT STE MARIE MICHIGAN... AND LESS THAN 1/4 MILE AT KINROSS. SOME PATCHY DENSE FOG WAS ALSO REPORTED ELSEWHERE IN NORTHERN MICHIGAN WITH 1/2 MILE VISIBILITY IN HOUGHTON...1/4 MILE IN ESCANABA... AND 3/8 MILE IN ALPENA. MICHIGAN TRAVELERS THAT ENCOUNTER DENSE FOG IN NORTHERN MICHIGAN TONIGHT ...ESPECIALLY IN EASTERN UPPER MICHIGAN... SHOULD DRIVE WITH A GREAT DEAL OF CAUTION. PLEASE USE YOUR LOW BEAM HEADLIGHTS AND ALLOW PLENTY OF EXTRA TIME TO REACH YOUR DESTINATION. STAY TUNED TO NATIONAL WEATHER SERVICE WEATHER RADIO FOR THE LATEST UPDATES AND STATEMENTS. WAGENMAKER
Special weather statement, Apr 20, 8:56 PM EDT, 0 minutes before
MIZ026-031>034-036>038-042-210200- SPECIAL WEATHER STATEMENT AND SHORT RANGE WEATHER FORECAST FOR EAST CENTRAL LOWER MICHIGAN NATIONAL WEATHER SERVICE FLINT MI 855 PM EDT MON APR 20 1992 ...RAIN SHOWERS AND ISOLATED THUNDERSTORMS MOVING INTO SHIAWASSEE COUNTY... AT 845 PM EDT...RAIN SHOWERS AND ISOLATED THUNDERSTORMS WERE MOVING INTO SHIAWASSEE COUNTY. THESE STORMS WERE MOVING NORTH AT 30 MILES AN HOUR. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS. THESE STORMS CAN PRODUCE BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING AS THEY PASS OVERHEAD. IF YOU ARE CAUGHT IN A THUNDRSTORM...MOVE TO A STRONG BUILDING. STAY INSIDE AND AWAY FROM WINDOWS AND DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM PASSED. THIS EVENING SKIES WILL CONTINUE TO BE MOSTLY CLOUDY WITH A FEW RAIN SHOWERS AND THUNDERSTORMS OVER EAST CENTRAL LOWER MICHIGAN. TEMPERATURES WILL FALL INTO THE MID 60S BY MIDNIGHT AND THE WINDS WILL BE FROM THE SOUTHEAST AT 10 TO 15 MILES AN HOUR. STAYED TUNED TO YOUR LOCAL TELEVISION OR LOCAL RADIO STATION OR THE NATIONAL WEATHER RADIO FOR FURTHER UPDATES OR STATEMENTS. THIES
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 8:52 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 53 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1992Every severe thunderstorm warning in 1992
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.