Alert archive / Michigan / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 29, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at May 22, 2011, 3:15 PM EDT for Presque Isle County, Michigan. It was in force for 19 min. 1 report 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
- May 22, 2011, 3:15 PM EDT (19:15 UTC)
- Expired
- May 22, 2011, 3:34 PM EDT
- In force
- 19 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Presque Isle County, MI
The radar
The NCL Michigan radar (KAPX), 83 km from the middle of the area, began a volume at 19:18 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 |
|---|---|---|---|
| May 22, 3:30 PM EDT | HAIL 0.5 | Huron Beach, MI | MARBLE SIZED HAIL COVERING THE GROUND. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 7.3 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
- 380 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
741
WUUS53 KAPX 221915
SVRAPX
MIC141-221945-
/O.NEW.KAPX.SV.W.0029.110522T1915Z-110522T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
315 PM EDT SUN MAY 22 2011
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN PRESQUE ISLE COUNTY IN NORTHERN LOWER MICHIGAN...
* UNTIL 345 PM EDT
* AT 310 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
HURON BEACH...OR 10 MILES NORTHEAST OF ONAWAY...AND MOVING EAST AT
30 MPH.
* LOCATIONS IMPACTED INCLUDE...
FORTY MILE POINT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4541 8418 4555 8423 4560 8415 4556 8412
4554 8412 4550 8409 4550 8405 4551 8402
4550 8393 4548 8389 4547 8390
TIME...MOT...LOC 1915Z 256DEG 27KT 4550 8410
WIND...HAIL 60MPH 1.75IN
$$1 follow-up statement
448
WWUS34 KAPX 221934
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
334 PM EDT SUN MAY 22 2011
MIC141-221943-
/O.CAN.KAPX.SV.W.0029.000000T0000Z-110522T1945Z/
PRESQUE ISLE MI-
334 PM EDT SUN MAY 22 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PRESQUE ISLE
COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
HOWEVER ADDITIONAL THUNDERSTORMS ARE STILL OCCURRING OVER THE
SOUTHEAST PORTIONS OF THE COUNTY...NEAR PRESQUE ISLE AND POSEN.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN GAYLORD.
LAT...LON 4541 8418 4555 8423 4560 8415 4556 8412
4554 8412 4550 8409 4550 8405 4551 8402
4550 8393 4548 8389 4547 8390
TIME...MOT...LOC 1933Z 256DEG 27KT 4553 8391
WIND...HAIL <50MPH <.50IN
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 2:15 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Presque Isle | 60 min |
| May 22, 2:21 PM EDT | Special Marine Warning | APX | 84 min | |
| May 22, 2:41 PM EDT | Special Marine Warning | APX | 64 min | |
| May 22, 2:52 PM EDT | Severe Thunderstorm Warning | APX | Chippewa, Mackinac | 53 min |
| May 22, 3:25 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena, Oscoda | 65 min |
| May 22, 3:25 PM EDT | Severe Thunderstorm Warning | APX | Presque Isle | 35 min |
| May 22, 3:28 PM EDT | Special Marine Warning | APX | 92 min | |
| May 22, 3:50 PM EDT | Special Marine Warning | APX | 73 min | |
| May 22, 4:43 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena | 47 min |
| May 22, 4:45 PM EDT | Special Marine Warning | APX | 78 min | |
| May 22, 7:49 PM EDT | Special Marine Warning | APX | 116 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2011Every severe thunderstorm warning 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.