Alert archive / Michigan / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 5, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at Jul 15, 1990, 9:33 PM EDT for Van Buren County, Michigan. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1990, 9:33 PM EDT (01:33 UTC)
- Expired
- Jul 15, 1990, 10:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Whole counties
County Van Buren 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 00:00Z, 1.6 hours before the alert went out and 241 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
- 215 J/kg
- Mixed-layer CIN
- -243 J/kg
- Mixed-layer LCL
- 878 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 62 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, Jul 15, 3:37 PM EDT, 5 hours 56 minutes before
MIZ002-003-004-009-010-013-015-016-151130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 336 PM EDT SUN JUL 15 1990 ...THUNDERSTORMS OVER ALLEGAN AND BARRY COUNTIES... AT 330 PM EDT THUNDERSTORMS OVER ALLEGAN AND BAARY COUNTIES OF SPUTHWEST LOWER MICHIGAN WERE PRODUCING HEAVY RAIN...PEA SIZED HAIL AND WIND GUSTS TO 30 TO 35 MPH. THE HEAVIEST STORMS ARE LOCATED 20 MILES SOUTHWEST AND 20 MILES OF GRAND RAPIDS AND ARE MOVING TO THE NORTHEAST AT AROUND 20 MPH. PERSONS IN THE PATHS OF THESE THUNDERSTORMS SHOULD BE ON THE LOOKOUT FOR DANGEROUS LIGHTNING...HEAVY RAIN...GUSTY WINDS AND POSSIBLY SMALL HAIL AS THESE THUNDERSTORMS MOVE THROUGH THE AREA. BKR
Special weather statement, Jul 15, 3:42 PM EDT, 5 hours 51 minutes before
MIZ002-003-004-009-010-013-015-016-151130- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE GRAND RAPIDS MI 336 PM EDT SUN JUL 15 1990 ...THUNDERSTORMS OVER ALLEGAN AND BARRY COUNTIES... AT 330 PM EDT THUNDERSTORMS OVER ALLEGAN AND BAARY COUNTIES OF SPUTHWEST LOWER MICHIGAN WERE PRODUCING HEAVY RAIN...PEA SIZED HAIL AND WIND GUSTS TO 30 TO 35 MPH. THE HEAVIEST STORMS ARE LOCATED 20 MILES SOUTHWEST AND 20 MILES SOUTHEAST OF GRAND RAPIDS AND ARE MOVING TO THE NORTHEAST AT AROUND 20 MPH. PERSONS IN THE PATHS OF THESE THUNDERSTORMS SHOULD BE ON THE LOOKOUT FOR DANGEROUS LIGHTNING...HEAVY RAIN...GUSTY WINDS AND POSSIBLY SMALL HAIL AS THESE THUNDERSTORMS MOVE THROUGH THE AREA. BKR
Special weather statement, Jul 15, 4:47 PM EDT, 4 hours 46 minutes before
MIZ022-023-025-040-152130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING, MI 445 PM EDT SUN JUL 15 1990 ...THUNDERSTORMS ARE MOVING THROUGH CENTRAL LOWER MICHIGAN... THUNDERSTORMS ARE BRINGING BRIEF HEAVY DOWNPOURS TO PORTIONS OF CENTRAL LOWER MICHIGAN. ONE OF THE THUNDERSTORMS JUST PASSED THROUGH THE GREATER LANSING AREA...AND PEA SIZE HAIL WAS REPORTED IN SOUTHWEST LANSING AT ABOUT 410 PM. AT THE CAPITAL CITY AIRPORT...NEARLY .15 OF AN INCH OF RAIN WAS MEASURED IN ABOUT TEN MINUTES AS THE STORM PASSED MOVED THROUGH BETWEEN 415 AN 430 PM. AT 445 PM RADAR SHOWED OTHER THUNDERSTORMS IN EASTERN IONIA COUNTY MOVIG NORTHEAST AT ABOUT 30 MILES PER HOUR. THESE STORMS WILL MOVE THROUGH CLINTON AND GRATIOT COUNTY BETWEEN NOW AND 530 PM. PERSONS IN THOSE COUNTIES CAN EXPECT WINDS GUSTING BRIEFLY TO AROUND 30 MILES AN HOUR...ALONG WITH HEAVY RAIN SHOWERS AND THE POSSIBILITY OF SMALL HAIL. THOSE ENGAGED IN OUTDOOR RECREAaTION SHOULD MOVE UNDER COVER UNTIL THESE STORMS PASS AND BEWARE OF THE DANGERS OF LIGHTNING ASSOCIATED WITH THUNDERSTORMS. KOTTKE
Nearby
Severe Thunderstorm Warnings in Michigan, 1990Every severe thunderstorm warning in 1990
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.