Alert archive / Michigan / Tornado Warnings in 2014

Tornado Warning 2, NWS Gaylord, MI

July 27, 2014Crawford County, Michigan

NWS Gaylord, MI issued this tornado warning at Jul 27, 2014, 12:20 PM EDT for Crawford County, Michigan. It was in force for 25 min. 4 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
Jul 27, 2014, 12:20 PM EDT (16:20 UTC)
Expired
Jul 27, 2014, 12:45 PM EDT
In force
25 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Crawford County, MI

The radar

The NCL Michigan radar (KAPX), 30 km from the middle of the area, began a volume at 16:23 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

TimeReportWhereRemark
Jul 27, 12:40 PM EDTHAIL 0.51 E Grayling, MI
Jul 27, 12:40 PM EDTHAIL 1Grayling, MI
Jul 27, 12:49 PM EDTHAIL 0.257 E Grayling, MI
Jul 27, 12:49 PM EDTHAIL 0.56 E Grayling, MI

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, 4.3 hours before the alert went out and 188 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, Alpena, MI at 12:00Z on 2014-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 12:00Z on 2014-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.19395878Sfc1 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
9 J/kg
Mixed-layer CIN
-234 J/kg
Mixed-layer LCL
1594 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

416 
WFUS53 KAPX 271620
TORAPX
MIC039-271645-
/O.NEW.KAPX.TO.W.0002.140727T1620Z-140727T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
1220 PM EDT SUN JUL 27 2014

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CRAWFORD COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 1245 PM EDT

* AT 1218 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES SOUTHWEST OF GRAYLING...AND MOVING EAST
  AT 15 MPH.

  HAZARD...TORNADO.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* THIS DANGEROUS STORM WILL BE NEAR...
  GRAYLING AROUND 1240 PM EDT.

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 4468 8485 4474 8452 4458 8449 4457 8465
      4456 8485
TIME...MOT...LOC 1620Z 262DEG 13KT 4459 8480

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JPB
3 follow-up statements
802 
WWUS53 KAPX 271626 RRA
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1226 PM EDT SUN JUL 27 2014

MIC039-271645-
/O.CON.KAPX.TO.W.0002.000000T0000Z-140727T1645Z/
CRAWFORD MI-
1226 PM EDT SUN JUL 27 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL CRAWFORD COUNTY
UNTIL 1245 PM EDT...

AT 1223 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 6 MILES SOUTHWEST OF GRAYLING...AND MOVING EAST AT 15
MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS DANGEROUS STORM WILL BE NEAR...
  GRAYLING AROUND 1240 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...PARK YOUR VEHICLE AND STAY PUT.

&&

LAT...LON 4469 8480 4474 8452 4458 8449 4457 8465
      4456 8480
TIME...MOT...LOC 1626Z 262DEG 13KT 4459 8477

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
291 
WWUS53 KAPX 271636
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1236 PM EDT SUN JUL 27 2014

MIC039-271645-
/O.CON.KAPX.TO.W.0002.000000T0000Z-140727T1645Z/
CRAWFORD MI-
1236 PM EDT SUN JUL 27 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL CRAWFORD COUNTY
UNTIL 1245 PM EDT...

AT 1234 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR GRAYLING...AND MOVING EAST AT 30 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL
CRAWFORD 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 4470 8470 4474 8452 4462 8450 4459 8465
      4459 8470
TIME...MOT...LOC 1637Z 257DEG 28KT 4461 8465

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JPB
920 
WWUS53 KAPX 271646
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1246 PM EDT SUN JUL 27 2014

MIC039-271656-
/O.EXP.KAPX.TO.W.0002.000000T0000Z-140727T1645Z/
CRAWFORD MI-
1246 PM EDT SUN JUL 27 2014

...THE TORNADO WARNING FOR CENTRAL CRAWFORD COUNTY HAS EXPIRED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT 
FOR THE AREA.  LARGE HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4470 8470 4474 8452 4462 8450 4459 8465
      4459 8470
TIME...MOT...LOC 1636Z 257DEG 28KT 4461 8466

$$

JPB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 3:53 AM EDTSmall Craft AdvisoryAPX36 hr
Jul 27, 11:29 AM EDTSevere Thunderstorm WarningAPXKalkaska46 min
Jul 27, 11:48 AM EDTSevere Thunderstorm WarningAPXKalkaska27 min
Jul 27, 12:00 PM EDTSevere Thunderstorm WarningAPXCrawford60 min
Jul 27, 12:10 PM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix, Otsego65 min
Jul 27, 12:14 PM EDTSevere Thunderstorm WarningAPXKalkaska17 min
Jul 27, 1:00 PM EDTSevere Thunderstorm WarningAPXCrawford, Oscoda60 min
Jul 27, 1:34 PM EDTTornado WarningAPXAntrim, Crawford, Otsego26 min
Jul 27, 1:48 PM EDTTornado WarningAPXAlcona, Oscoda42 min
Jul 27, 1:52 PM EDTSevere Thunderstorm WarningAPXMontmorency38 min
Jul 27, 1:54 PM EDTSevere Thunderstorm WarningAPXCrawford, Kalkaska, Missaukee, Wexford39 min
Jul 27, 2:03 PM EDTSpecial Marine WarningAPX117 min
Jul 27, 2:10 PM EDTSevere Thunderstorm WarningAPXOscoda50 min
Jul 27, 2:16 PM EDTSevere Thunderstorm WarningAPXAlcona, Iosco44 min
Jul 27, 2:52 PM EDTSevere Thunderstorm WarningAPXOgemaw, Roscommon38 min
Jul 27, 3:23 PM EDTSpecial Marine WarningAPX2 hr
Jul 27, 4:18 PM EDTSpecial Marine WarningAPX87 min

Nearby

Tornado Warnings in Michigan, 2014Every tornado warning in 2014Tornadoes in 2014

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.