Alert archive / Michigan / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 21, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at Jul 3, 1991, 4:33 PM EDT for Hillsdale County, Michigan. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jul 3, 1991, 4:33 PM EDT (20:33 UTC)
- Expired
- Jul 3, 1991, 5:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Whole counties
County Hillsdale County, MI
The nearest sounding before it
Detroit, MI (KFNT), launched 12:00Z, 8.6 hours before the alert went out and 133 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLAN 032033
SVRLAN
MIC059-032115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LANSING MI
433 PM EDT WED JUL 3 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 515 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE SOUTH CENTRAL PART OF LOWER MICHIGAN
HILLSDALE
AT 430 PM EDT... WEATHER RADAR INDICATE A SEVERE THUNDERSTORM OVER
SOUTHWESTERN HILLSDALE COUNTY. MOVEMENT WAS TO THE EAST NORTHEAST
AT ABOUT 25 MPH. THIS STORM WILL REACH THE COMMUNITIES OF OSSEO AND
PITTSFORD BY 445 PM EDT. WINDS TO 50 MPH AND HAIL HAVE BEEN
REPORTED WITH THIS STORM.
IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORECED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN AND LIGHTNING.
INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...
STAY AWAY FROM HIGH OBJECTS. MOVE INDOORS IF POSSIBLE. WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING
TELEPHONES AND ELECTRICAL EQUIPMENT.
SMITH.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, Jul 3, 2:13 PM EDT, 2 hours 20 minutes before
MIZ040-041-031930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING MI 210 PM EDT WED JUL 03 1991 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FOR GRATIOT AND ISABELLA COUNTIES... A SEVERE THUNDERSTORM WATCH COVERS THE SOUTH CENTRAL LOWER MICHIGAN COUNTIES OF GRATIOT AND ISABELLA UNTIL 700 PM EDT THIS EVENING. THIS WATCH INCLUDES THE CITIES OF ALMA... ITHACA... AND MT. PLEASANT. AT 205 PM... RADAR SHOWED SCATTERED SHOWERS AND THUNDERSTORMS TO THE NORTH AND WEST OF MT. PLEASANT... OVER PORTIONS OF CLARE... OSCEOLA... AND MECOSTA COUNTIES. MOVEMENT WAS TO THE EASTNORTHEAST AT 25 MPH. WHILE NO SEVERE WEATHER HAS BEEN REPORTED OVER SOUTH CENTRAL LOWER MICHIGAN AS OF 200 PM... PERSONS IN GRATIOT AND ISABELLA COUNTIES SHOULD CONTINUE TO BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS... AND BE PREPARED TO TAKE COVER SHOULD SEVERE WEATHER DEVELOP. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO AND LOCAL MEDIA FOR FURTHERS UPDATES AND POSSIBLE WARNINGS. SMITH
Special weather statement, Jul 3, 2:34 PM EDT, 1 hour 59 minutes before
MIZ013-004-016-015-003-010-009-002-031930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 230 PM EDT WED JUL 3 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MONTCALM COUNTY UNTIL 7PM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MONTCALM COUNTY OF SOUTHWEST LOWER MICHIGAN...AS WELL AS COUNTIES TO THE NORTH AND EAST IN CENTRAL LOWER MICHIGAN UNTIL 7PM EDT. AT 230PM WEATHER RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS OVER CENTRAL LOWER MICHIGAN EXTENDING IN A LINE FROM TRAVESE CITY TO HOUGHTON LAKE... SOUTH TO LANSING...BATTLE CREEK AND ON SOUTH TO NEAR SOUTH BEND INDIANA. THE THUNDERSTORMS WERE MOVING EAST AT AROUND 20 MPH. PERSONS IN MONTCALM COUNTY...AND IN THE AREA OF SOUTHWEST AND CENTRAL LOWER MICHIGAN SHOULD BE ON THE WATCH FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO TAKE COVER SHOULD SEVERE WEATHER DEVELOP. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO KIG63 FOR UPDATES AND POSSIBLE W ARNINGS. REK
Special weather statement, Jul 3, 2:44 PM EDT, 1 hour 49 minutes before
MIZ005-006-014-017-049>059-032100- SPECIAL WEATHER STATEMENT AND SHORT RANGE WEATHER FORECAST FOR NORTHWEST AND WEST CENTRAL LOWER MICHIGAN NATIONAL WEATHER SERVICE MUSKEGON MI 245 PM EDT WED JUL 3 1991 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7PM FOR ANTRIM... KALKASKA...MISSAUKEE...OSCEOLA...AND MECOSTA COUNTIES... AT 245 PM EDT...WEATHER RADAR INDICATED THUNDERSTORMS...WITH VERY HEAVY RAINFALL...IN MECOSTA AND OSCEOLA COUNTIES. THE STORMS WERE MOVING NORTHEAST AT ABOUT 25 MILES PER HOUR. STRONG GUSTY WIND AND DANGEROUS LIGHTNING STRIKES CAN BE EXPECTED WITH THESE STORMS. PARTLY SUNNY SKIES WERE OBSERVED AT REPORTING STATIONS IN NORTHWEST AND WEST CENTRAL LOWER MICHIGAN. TEMPERATURES RANGED FROM THE MID TO UPPER 70S WITH WINDS WEST TO SOUTHWEST AROUND 10 MPH. TEMPERATURES WILL CLIMB INTO THE MID TO UPPER 80S THIS AFTERNOON ACROSS THE FORECAST AREA. MOSTLY WEST TO SOUTHWEST WIND OF 10 TO 15 MPH ARE PREDICTED. PERSON2S IN THE WATCH AREA SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFE SHELTER QUICKLY IF NEEDED.
Special weather statement, Jul 3, 3:02 PM EDT, 1 hour 31 minutes before
MIZ011-012-018-020-022-023-025-040-041-032000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING MI 300 PM EDT WED JUL 03 1991 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FOR GRATIOT AND ISABELLA COUNTIES... ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE REMAINDER OF SOUTH CENTRAL LOWER MICHIGAN UNTIL 900 PM EDT... A SEVERE THUNDERSTORM WATCH COVERS THE SOUTH CENTRAL LOWER MICHIGAN COUNTIES OF BRANCH... HILLSDALE... CALHOUN... JACKSON... EATON... INGHAM... AND CLINTON UNTIL 900 PM EDT THIS EVENING. A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT FOR THE COUNTIES OF GRATIOT AND ISABELLA UNTIL 700 PM EDT. THESE WATCHES INCLUDE THE CITIES OF MT. PLEASANT... ALMA... ST. JOHNS... LANSING... BATTLE CREEK... JACKSON... HILLSDALE... AND COLDWATER. AT 255 PM... WEATHER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM NEAR SAGINAW... SOUTHWEST TO JUST EAST OF LANSING... ON TO NEAR CHARLOTTE IN CENTRAL EATON COUNTY. THE STRONGEST THUNDERSTORM WAS LOCATED NEAR THE COMMUNITY OF DIMONDALE... 9 MILES SOUTHWEST OF LANSING. THESE THUNDERSTORMS WERE MOVING TO THE EASTNORTHEAST AT AROUND 25 MPH... AND WILL REACH THE COMMUNITIES OF OKEMOS AND HOLT BY 315 PM. PERSONS IN THE PATH OF THESE THUNDERSTORMS SHOULD BE ON THE LOOKOUT FOR VERY HEAVY RAIN... FREQUENT LIGHTNING... GUSTY WINDS... AND HAIL. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO AND LOCAL MEDIA FOR UPDATES AND POSSIBLE WARNINGS. SMJITH
Special weather statement, Jul 3, 3:40 PM EDT, 53 minutes before
MIZ011-012-018-020-022-023-025-040-041-032030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING MI 340 PM EDT WED JUL 03 1991 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FOR GRATIOT AND ISABELLA COUNTIES... ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE REMAINDER OF SOUTH CENTRAL LOWER MICHIGAN UNTIL 900 PM EDT... A SEVERE THUNDERSTORM WATCH COVERS THE SOUTH CENTRAL LOWER MICHIGAN COUNTIES OF BRANCH... HILLSDALE... CALHOUN... JACKSON... EATON... INGHAM... AND CLINTON UNTIL 900 PM EDT THIS EVENING. A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT FOR THE COUNTIES OF GRATIOT AND ISABELLA UNTIL 700 PM EDT. THESE WATCHES INCLUDE THE CITIES OF MT. PLEASANT... ALMA... ST. JOHNS... LANSING... BATTLE CREEK... JACKSON... HILLSDALE... AND COLDWATER. AT 335 PM... RADAR INDICATED SCATTERED THUNDERSTORMS OVER INGHAM... SOUTHWESTERN CALHOUN... AND WESTERN BRANCH COUNTIES. THE STRONGEST THUNDERSTORM WAS LOCATED NEAR THE COMMUNITY OF BRONSON IN SOUTHWESTERN BRANCH COUNTY... 31 MILES SOUTH OF BATTLE CREEK. THUNDERSTORM MOVEMENT WAS TO THE EASTNORTHEAST AT 25 MPH... AND WILL REACH THE COMMUNITY OF COLDWATER BETWEEN 345 AND 400 PM. PERSONS IN THE PATH OF THESE THUNDERSTORMS CAN EXPECT VERY HEAVY RAIN... FREQUENT LIGHTNING... STRONG WINDS... AND HAIL. ONE HALF INCH OF RAIN FELL IN LESS THAN 15 MINUTES OVER SOUTH LANSING. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO AND LOCAL MEDIA FOR FURTHER UPDATES AND POSSIBLE WARNINGS. SMITH
Special weather statement, Jul 3, 4:28 PM EDT, 5 minutes before
MIZ011-012-018-020-022-023-025-040-041-032030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING MI 425 PM EDT WED JUL 03 1991 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FOR GRATIOT AND ISABELLA COUNTIES... ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE REMAINDER OF SOUTH CENTRAL LOWER MICHIGAN UNTIL 900 PM EDT... AT 415 PM... RADAR INDICATED SCATTERED SHOWERS AND STRONG THUNDERSTORMS OVER PORTIONS OF BRANCH... HILLSDALE... CALHOUN... AND JACKSON COUNTIES. THE STRONGEST THUNDERSTORM WAS LOCATED NEAR THE COMMUNITY OF MONTGOMERY IN SOUTHWEST HILLSDALE COUNTY... 39 MILES SOUTH SOUTHWEST OF JACKSON. THUNDERSTORM MOVEMENT WAS TO THE EAST NORTHEAST AT 25 MPH. THESE THUNDERSTORMS WILL MOVE INTO THE COMMUNITY OF PITTSFORD BY 445 PM. WINDS TO 50 MPH AND HAIL HAVE BEEN REPORTED WITH THESE STORMS. PERSONS IN THE PATH OF THESE THUNDERSTORMS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO TAKE COVER SHOULD SEVERE WEATHER DEVELOP. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO AND LOCAL MEDIA FOR FURTHER UPDATES AND POSSIBLE WARNINGS. SMITH
Nearby
Severe Thunderstorm Warnings in Michigan, 1991Every severe thunderstorm warning 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.