Alert archive / Michigan / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 25, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jul 30, 2012, 9:55 PM EDT for 4 counties in Michigan. It was in force for 65 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
- Jul 30, 2012, 9:55 PM EDT (01:55 UTC)
- Expired
- Jul 30, 2012, 11:00 PM EDT
- In force
- 65 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cheboygan County, MI, Emmet County, MI, Mackinac County, MI, Presque Isle County, MI
The radar
The NCL Michigan radar (KAPX), 84 km from the middle of the area, began a volume at 01:56 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 |
|---|---|---|---|
| Jul 30, 9:56 PM EDT | TSTM WND DMG | 8 Nnw Indian River, MI | SIGNIFICANT NUMBER OF LARGE TREES DOWN IN THE NORTHERN SECTION OF BURT LAKE. TREES DOWN ON HOUSES AND POWER OUT AROUND THE BURT LAKE AREA. MOST OF THE DAMAGE REPORTED NEAR THE INTERSECTION OF MULLET BURT ROAD AND EAST BURT LAKE ROAD. |
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 00:00Z, 1.9 hours before the alert went out and 155 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
- 952 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1396 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
633
WUUS53 KAPX 310155
SVRAPX
MIC031-047-097-141-310300-
/O.NEW.KAPX.SV.W.0025.120731T0155Z-120731T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
955 PM EDT MON JUL 30 2012
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHEBOYGAN COUNTY IN NORTHERN LOWER MICHIGAN...
EAST CENTRAL EMMET COUNTY IN NORTHERN LOWER MICHIGAN...
EXTREME SOUTHEASTERN MACKINAC COUNTY IN EASTERN UPPER MICHIGAN...
NORTHWESTERN PRESQUE ISLE COUNTY IN NORTHERN LOWER MICHIGAN...
* UNTIL 1100 PM EDT
* AT 952 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 6 MILES SOUTHWEST OF POINT AUX
PINS ON BOIS BL TO BRUTUS...AND MOVING EAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
INDIAN RIVER...CHEBOYGAN...ONAWAY...ROGERS CITY...BURT LAKE STATE
PARK...TOPINABEE...POINT AUX PINS ON BOIS BL...MULLET LAKE...
CHEBOYGAN STATE PARK...ALOHA...ALOHA STATE PARK...KOEHLER
TOWNSHIP...ALVERNO...NINE MILE POINT...TOWER...BLACK LAKE...ONAWAY
STATE PARK...HURON BEACH...OCQUEOC AND MILLERSBURG.
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 4532 8378 4537 8488 4576 8467 4567 8444
4571 8443 4572 8449 4579 8455 4579 8436
4577 8434 4568 8443 4564 8421 4557 8412
4551 8410 4550 8392 4544 8384 4542 8374
TIME...MOT...LOC 0155Z 270DEG 31KT 4570 8457 4548 8468
WIND...HAIL 60MPH 1.00IN
$$3 follow-up statements
889
WWUS34 KAPX 310216
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1016 PM EDT MON JUL 30 2012
MIC047-097-310225-
/O.CAN.KAPX.SV.W.0025.000000T0000Z-120731T0300Z/
EMMET MI-MACKINAC MI-
1016 PM EDT MON JUL 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN MACKINAC
AND EAST CENTRAL EMMET COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4532 8378 4537 8457 4572 8456 4567 8444
4568 8443 4564 8421 4557 8412 4551 8410
4550 8392 4544 8384 4542 8374
TIME...MOT...LOC 0215Z 270DEG 31KT 4570 8432 4543 8432
WIND...HAIL <50MPH <.50IN
$$
MIC031-141-310300-
/O.CON.KAPX.SV.W.0025.000000T0000Z-120731T0300Z/
CHEBOYGAN MI-PRESQUE ISLE MI-
1016 PM EDT MON JUL 30 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
PRESQUE ISLE AND NORTHEASTERN CHEBOYGAN COUNTIES UNTIL 1100 PM EDT...
AT 1010 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM CHEBOYGAN STATE PARK TO KOEHLER
TOWNSHIP...MOVING EAST AT 35 MPH.
LOCATIONS IMPACTED INCLUDE...
ONAWAY...ROGERS CITY...BLACK LAKE...NINE MILE POINT...ONAWAY STATE
PARK...HURON BEACH...OCQUEOC...FORTY MILE POINT...P H HOEFT STATE
PARK...HAGENSVILLE AND MOLTKE TOWNSHIP.
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 4532 8378 4537 8457 4572 8456 4567 8444
4568 8443 4564 8421 4557 8412 4551 8410
4550 8392 4544 8384 4542 8374
TIME...MOT...LOC 0215Z 270DEG 31KT 4570 8432 4543 8432
WIND...HAIL 60MPH 1.00IN
$$785
WWUS34 KAPX 310236
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1036 PM EDT MON JUL 30 2012
MIC031-310246-
/O.CAN.KAPX.SV.W.0025.000000T0000Z-120731T0300Z/
CHEBOYGAN MI-
1036 PM EDT MON JUL 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHEBOYGAN COUNTY
IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4534 8378 4538 8425 4562 8425 4563 8424
4563 8422 4557 8412 4551 8410 4550 8407
4551 8404 4550 8392 4544 8384 4542 8375
TIME...MOT...LOC 0236Z 270DEG 31KT 4570 8406 4542 8412
WIND...HAIL <50MPH <.50IN
$$
MIC141-310300-
/O.CON.KAPX.SV.W.0025.000000T0000Z-120731T0300Z/
PRESQUE ISLE MI-
1036 PM EDT MON JUL 30 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
PRESQUE ISLE COUNTY UNTIL 1100 PM EDT...
AT 1033 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 8 MILES NORTHEAST OF NINE MILE
POINT TO OCQUEOC...MOVING EAST AT 35 MPH.
LOCATIONS IMPACTED INCLUDE...
ROGERS CITY...OCQUEOC...FORTY MILE POINT...P H HOEFT STATE PARK AND
MOLTKE TOWNSHIP.
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 4534 8378 4538 8425 4562 8425 4563 8424
4563 8422 4557 8412 4551 8410 4550 8407
4551 8404 4550 8392 4544 8384 4542 8375
TIME...MOT...LOC 0236Z 270DEG 31KT 4570 8406 4542 8412
WIND...HAIL 60MPH 1.00IN
$$121
WWUS34 KAPX 310251
SVSAPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1051 PM EDT MON JUL 30 2012
MIC141-310301-
/O.EXP.KAPX.SV.W.0025.000000T0000Z-120731T0300Z/
PRESQUE ISLE MI-
1051 PM EDT MON JUL 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PRESQUE ISLE
COUNTY WILL EXPIRE AT 1100 PM EDT...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND MOVED
OUT OF THE WARNED AREA.
LAT...LON 4534 8378 4538 8425 4562 8425 4563 8424
4563 8422 4557 8412 4551 8410 4550 8407
4551 8404 4550 8392 4544 8384 4542 8375
TIME...MOT...LOC 0251Z 270DEG 31KT 4570 8387 4542 8394
WIND...HAIL <50MPH <.50IN
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 8:48 PM EDT | Special Marine Warning | APX | 87 min | |
| Jul 30, 9:12 PM EDT | Special Marine Warning | APX | 93 min | |
| Jul 30, 10:12 PM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Leelanau | 48 min |
| Jul 30, 10:46 PM EDT | Severe Thunderstorm Warning | APX | Grand Traverse, Kalkaska, Missaukee, Wexford | 59 min |
| Jul 30, 11:55 PM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin, Iosco, Missaukee, Ogemaw, Roscommon | 65 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.