Alert archive / Michigan / Tornado Warnings in 2011
Tornado Warning 1, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at Apr 26, 2011, 8:25 PM EDT for Midland County, Michigan. It was in force for 25 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 26, 2011, 8:25 PM EDT (00:25 UTC)
- Expired
- Apr 26, 2011, 8:50 PM EDT
- In force
- 25 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
County Midland County, MI
The radar
The Grand Rapids radar (KGRR), 127 km from the middle of the area, began a volume at 00:27 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 26, 8:30 PM EDT | HAIL 0.5 | 4 E Averill, MI | |
| Apr 26, 8:30 PM EDT | HAIL 0.5 | 5 S Averill, MI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 26, 3:02 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 0.4 hours before the alert went out and 139 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
- 369 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1460 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 229 m²/s²
- 0-3 km storm-relative helicity
- 290 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
492
WFUS53 KDTX 270025
TORDTX
MIC111-270115-
/O.NEW.KDTX.TO.W.0001.110427T0025Z-110427T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
825 PM EDT TUE APR 26 2011
THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
* TORNADO WARNING FOR...
MIDLAND COUNTY IN SOUTHEAST MICHIGAN...
* UNTIL 915 PM EDT
* AT 823 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR OIL CITY...OR 8 MILES SOUTH OF COLEMAN...AND
MOVING NORTHEAST AT 50 MPH.
* THIS DANGEROUS STORM WILL BE NEAR...
NORTH BRADLEY AND COLEMAN AROUND 830 PM EDT.
SANFORD AROUND 835 PM EDT.
EDENVILLE AND HOPE AROUND 840 PM EDT.
THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
SANFORD... PLEASANT VALLEY... OIL CITY...
MIDLAND... EDENVILLE... COLEMAN...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4381 8461 4382 8456 4382 8437 4383 8436
4383 8418 4361 8417 4347 8460 4348 8462
TIME...MOT...LOC 0025Z 226DEG 45KT 4367 8458
$$
KEC3 follow-up statements
409
WWUS53 KDTX 270030
SVSDTX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
830 PM EDT TUE APR 26 2011
MIC111-270115-
/O.CON.KDTX.TO.W.0001.000000T0000Z-110427T0115Z/
MIDLAND MI-
830 PM EDT TUE APR 26 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR MIDLAND COUNTY UNTIL 915
PM EDT...
AT 828 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 5 MILES SOUTH OF COLEMAN...MOVING NORTHEAST AT 45
MPH.
THIS DANGEROUS STORM WILL BE NEAR...
NORTH BRADLEY AROUND 835 PM EDT.
EDENVILLE AND HOPE AROUND 845 PM EDT.
THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
SANFORD... PLEASANT VALLEY... OIL CITY...
MIDLAND... EDENVILLE... COLEMAN...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4381 8461 4382 8456 4382 8437 4383 8436
4383 8418 4361 8417 4347 8460 4348 8462
TIME...MOT...LOC 0030Z 224DEG 40KT 4370 8454
$$
CB908
WWUS53 KDTX 270039
SVSDTX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
839 PM EDT TUE APR 26 2011
MIC111-270115-
/O.CON.KDTX.TO.W.0001.000000T0000Z-110427T0115Z/
MIDLAND MI-
839 PM EDT TUE APR 26 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN MIDLAND COUNTY
UNTIL 915 PM EDT...
AT 836 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR EDENVILLE...OR 6 MILES EAST OF COLEMAN...
MOVING NORTHEAST AT 50 MPH.
THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHWESTERN
MIDLAND COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4362 8436 4369 8456 4382 8456 4382 8437
4383 8436 4383 8418 4361 8417
TIME...MOT...LOC 0039Z 226DEG 42KT 4378 8442
$$
CB961
WWUS53 KDTX 270050
SVSDTX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
850 PM EDT TUE APR 26 2011
MIC111-270100-
/O.CAN.KDTX.TO.W.0001.000000T0000Z-110427T0115Z/
MIDLAND MI-
850 PM EDT TUE APR 26 2011
...THE TORNADO WARNING FOR NORTHERN MIDLAND COUNTY IS CANCELLED...
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN
EFFECT FOR THE AREA.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT.
LAT...LON 4362 8436 4369 8456 4382 8456 4382 8437
4383 8436 4383 8418 4361 8417
TIME...MOT...LOC 0050Z 226DEG 42KT 4379 8419
$$
CBThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 8:06 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland | 56 min |
| Apr 26, 8:13 PM EDT | Special Marine Warning | DTX | 92 min | |
| Apr 26, 8:42 PM EDT | Tornado Warning | DTX | Bay | 19 min |
| Apr 27, 6:01 AM EDT | Special Marine Warning | DTX | 59 min | |
| Apr 27, 10:29 AM EDT | River Flood Warning | DTX | Bay, Saginaw | 7 days |
| Apr 27, 10:29 AM EDT | River Flood Warning | DTX | Midland, Saginaw | 3 days |
| Apr 27, 12:54 PM EDT | Special Marine Warning | DTX | 2 hr | |
| Apr 27, 1:25 PM EDT | Special Marine Warning | DTX | 95 min | |
| Apr 27, 2:58 PM EDT | Special Marine Warning | DTX | 92 min | |
| Apr 27, 3:57 PM EDT | Small Craft Advisory | DTX | 6 hr |
Nearby
Tornado Warnings in Michigan, 2011Every tornado warning in 2011Tornadoes in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.