Alert archive / Michigan / Special Weather Statements in 2012
Special Weather Statement, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this special weather statement at May 4, 2012, 12:21 AM EDT for Barry County, Michigan. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 4, 2012, 12:21 AM EDT (04:21 UTC)
- Expired
- May 4, 2012, 1:15 AM EDT
- In force
- 54 min
- Issued by
- NWS Grand Rapids, MI
County Barry County, MI
The radar
The Grand Rapids radar (KGRR), 26 km from the middle of the area, began a volume at 04:22 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
Detroit, MI (KDTX), launched 00:00Z, 4.4 hours before the alert went out and 164 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
- 682 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1887 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
623
WWUS83 KGRR 040421
SPSGRR
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1221 AM EDT FRI MAY 4 2012
MIZ064-065-040515-
ALLEGAN-BARRY-
1221 AM EDT FRI MAY 4 2012
...SIGNIFICANT WEATHER ADVISORY...
AT 1217 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 13 MILES WEST OF HASTINGS...MOVING EAST AT 25
MPH.
PENNY SIZE HAIL...WINDS GREATER THAN 30 MPH...OCCASIONAL CLOUD TO
GROUND LIGHTNING...BRIEF MODERATE DOWNPOURS...ARE POSSIBLE WITH THIS
STORM.
LOCATIONS IMPACTED INCLUDE...
IRVING... FREEPORT... HASTINGS...
MORGAN... WOODLAND... NASHVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.
&&
LAT...LON 4259 8562 4277 8564 4277 8559 4277 8507
4258 8507
TIME...MOT...LOC 0421Z 267DEG 23KT 4268 8550
$$
NJJThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 8:03 PM EDT | Areal Flood Advisory | GRR | Lake, Mason, Osceola | 41 hr |
| May 3, 8:35 PM EDT | Special Weather Statement | GRR | Jackson | 40 min |
| May 3, 8:40 PM EDT | Special Weather Statement | GRR | Kent | 65 min |
| May 3, 8:56 PM EDT | Special Marine Warning | GRR | 62 min | |
| May 3, 9:08 PM EDT | Special Weather Statement | GRR | Montcalm | 67 min |
| May 3, 9:14 PM EDT | Special Weather Statement | GRR | Jackson | 61 min |
| May 3, 9:29 PM EDT | Special Weather Statement | GRR | Gratiot | 61 min |
| May 3, 9:47 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 25 min |
| May 3, 9:50 PM EDT | River Flood Warning | GRR | Kalamazoo | 13 hr |
| May 3, 9:50 PM EDT | Special Weather Statement | GRR | Kalamazoo | 55 min |
| May 3, 9:57 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 48 min |
| May 3, 9:59 PM EDT | River Flood Advisory | GRR | Ionia | 5 days |
| May 3, 9:59 PM EDT | River Flood Advisory | GRR | Clinton | 17 hr |
| May 3, 9:59 PM EDT | River Flood Advisory | GRR | Barry | 12 hr |
| May 3, 9:59 PM EDT | River Flood Advisory | GRR | Newaygo | 4 days |
| May 3, 10:26 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Van Buren | 36 min |
| May 3, 11:50 PM EDT | Special Weather Statement | GRR | Allegan | 55 min |
| May 4, 1:03 AM EDT | Special Weather Statement | GRR | Allegan, Barry, Calhoun, Eaton, Ingham, Jackson and 2 more | 87 min |
| May 4, 3:17 AM EDT | Special Weather Statement | GRR | Allegan, Barry, Calhoun, Eaton, Ingham, Jackson and 2 more | 88 min |
| May 4, 4:58 AM EDT | Areal Flood Advisory | GRR | Allegan, Barry, Eaton, Ingham | 6 hr |
Nearby
Special Weather Statements in Michigan, 2012Every special weather statement in 2012
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.