Alert archive / Michigan / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 1, NWS Grand Rapids, MI

March 31, 2023Van Buren County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Mar 31, 2023, 7:51 PM EDT for Van Buren County, Michigan. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 31, 2023, 7:51 PM EDT (23:51 UTC)
Expired
Mar 31, 2023, 8:30 PM EDT
In force
39 min
Issued by
NWS Grand Rapids, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 92 km from the middle of the area, began a volume at 23:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.9 hours before the alert went out and 284 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.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2023-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2023-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 379 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
446 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
379 m²/s²
0-3 km storm-relative helicity
315 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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.

NWS Grand Rapids, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 31, 3:43 PM EDT, 4 hours 8 minutes earlier.

Area forecast discussion, Mar 31, 3:43 PM EDT, 4 hours 8 minutes before
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Hazardous weather outlook, Mar 31, 12:30 PM EDT, 7 hours 21 minutes before
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
1230 PM EDT Fri Mar 31 2023

MIZ037>040-043>046-050>052-056>059-064>067-071>074-010900-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
1230 PM EDT Fri Mar 31 2023

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...This Afternoon and Tonight

Thunderstorms are likely this evening between 7 PM and 2 AM.
Some storms may produce wind gusts over 60 mph or hail around 1
inch in diameter. The relatively greater potential for severe
weather hazards will be south of I-96.

Minor flooding over low spots in roads is also possible tonight
in any locations that receive 2 inches of rain.

Wind gusts around 40 mph are possible in portions of the area, late
tonight after the thunderstorms end.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Gusty winds from the north with gusts 35 to 50 mph will be likely
Saturday afternoon in locations near Lake Michigan. These wind
gusts could cause some tree limbs to fall, some loose objects top
be blown around, and a few power outages.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible this evening.

LMZ844>849-010900-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
1230 PM EDT Fri Mar 31 2023

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...This Afternoon and Tonight

Thunderstorms are likely this evening between 7 PM and 2 AM.
Some storms may produce wind gusts over 60 mph or hail around 1
inch in diameter. The relatively greater potential for severe
weather hazards on Lake Michigan will be south Muskegon.

Wind gusts around 40 mph are possible late tonight after the
thunderstorms end.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Gusts of over 45 mph are likely over Lake Michigan on Saturday.
These winds and waves of 10 to 15 feet will pose a significant
risk to all mariners.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible this evening.

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 31, 3:47 AM EDTGale WarningGRR40 hr
Mar 31, 2:13 PM EDTRiver Flood WatchGRRNewaygo20 hr
Mar 31, 2:13 PM EDTRiver Flood WatchGRRNewaygo20 hr
Mar 31, 7:12 PM EDTSpecial Marine WarningGRR53 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2023Every severe thunderstorm warning in 2023

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; radar from the NEXRAD Level II archive.