Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 79, NWS Twin Cities, MN

July 1, 2019Blue Earth County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 1, 2019, 4:21 PM CDT for Blue Earth County, Nicollet County, Minnesota. It was in force for 39 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
Jul 1, 2019, 4:21 PM CDT (21:21 UTC)
Expired
Jul 1, 2019, 5:00 PM CDT
In force
39 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Blue Earth County, MN, Nicollet County, MN

The radar

The Minneapolis radar (KMPX), 99 km from the middle of the area, began a volume at 21:21 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 1, 3:14 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.4 hours before the alert went out and 349 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, Aberdeen, SD at 12:00Z on 2019-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2019-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -73 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
982 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-73 m²/s²
0-3 km storm-relative helicity
-90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

234 
WUUS53 KMPX 012121
SVRMPX
MNC013-103-012200-
/O.NEW.KMPX.SV.W.0079.190701T2121Z-190701T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
421 PM CDT Mon Jul 1 2019

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Blue Earth County in south central Minnesota...
  Southeastern Nicollet County in south central Minnesota...

* Until 500 PM CDT.

* At 420 PM CDT, severe thunderstorms were located along a line
  extending from near Hanska to near Lake Crystal to near Amboy,
  moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated. At 414 PM, a wind gust of 55 mph 
           was measured in Madelia.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Amboy and Vernon Center around 425 PM CDT.
  Lake Crystal and Good Thunder around 435 PM CDT.
  Mankato around 440 PM CDT.
  Mapleton around 445 PM CDT.
  St. Clair around 455 PM CDT.
  Eagle Lake, Madison Lake and Pemberton around 500 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4385 9433 4403 9434 4405 9437 4421 9436
      4425 9415 4424 9402 4424 9377 4385 9377
TIME...MOT...LOC 2120Z 261DEG 34KT 4414 9440 4404 9427 4390 9425 

HAIL...<.75IN
WIND...60MPH
 
$$

BORGHOFF
3 follow-up statements
975 
WWUS53 KMPX 012136
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
436 PM CDT Mon Jul 1 2019

MNC013-103-012200-
/O.CON.KMPX.SV.W.0079.000000T0000Z-190701T2200Z/
Blue Earth MN-Nicollet MN-
436 PM CDT Mon Jul 1 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR BLUE EARTH AND SOUTHEASTERN NICOLLET COUNTIES...

At 436 PM CDT, severe thunderstorms were located along a line
extending from near Lake Crystal to near Good Thunder to near Amboy,
moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Mankato around 440 PM CDT.
  Mapleton around 445 PM CDT.
  St. Clair and Pemberton around 455 PM CDT.
  Eagle Lake and Madison Lake around 500 PM CDT.

Other locations impacted by these severe thunderstorms include
Skyline, Garden City, Mankato Airport and Judson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4385 9433 4396 9423 4404 9424 4421 9436
      4425 9415 4424 9402 4424 9377 4385 9377
TIME...MOT...LOC 2136Z 260DEG 34KT 4416 9422 4406 9407 4385 9407 

HAIL...<.75IN
WIND...60MPH
 
$$

BORGHOFF
005 
WWUS53 KMPX 012152
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
452 PM CDT Mon Jul 1 2019

MNC013-103-012200-
/O.CON.KMPX.SV.W.0079.000000T0000Z-190701T2200Z/
Blue Earth MN-Nicollet MN-
452 PM CDT Mon Jul 1 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR EASTERN BLUE EARTH AND SOUTHEASTERN NICOLLET COUNTIES...

At 452 PM CDT, severe thunderstorms were located along a line
extending from near Mankato to St. Clair to near Minnesota Lake,
moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Madison Lake and Pemberton around 500 PM CDT.

Other locations impacted by these severe thunderstorms include
Mankato Airport and Skyline.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4386 9417 4395 9406 4408 9405 4420 9414
      4423 9401 4424 9377 4385 9377
TIME...MOT...LOC 2152Z 261DEG 34KT 4418 9404 4408 9389 4387 9389 

HAIL...<.75IN
WIND...60MPH
 
$$

BORGHOFF
808 
WWUS53 KMPX 012200
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
500 PM CDT Mon Jul 1 2019

MNC013-103-012210-
/O.EXP.KMPX.SV.W.0079.000000T0000Z-190701T2200Z/
Blue Earth MN-Nicollet MN-
500 PM CDT Mon Jul 1 2019

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BLUE EARTH AND
SOUTHEASTERN NICOLLET COUNTIES HAS EXPIRED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been allowed to expire.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
south central Minnesota.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.

LAT...LON 4386 9417 4395 9406 4408 9405 4420 9414
      4423 9401 4424 9377 4385 9377
TIME...MOT...LOC 2200Z 261DEG 34KT 4419 9395 4409 9380 4388 9380 

$$

BORGHOFF

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 7:58 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Yellow Medicine31 min
Jun 30, 10:17 PM CDTSpecial Weather StatementMPXRedwood, Renville43 min
Jun 30, 10:29 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville46 min
Jun 30, 10:50 PM CDTSevere Thunderstorm WarningMPXBrown, McLeod, Nicollet, Renville, Sibley40 min
Jun 30, 10:56 PM CDTTornado WarningMPXMcLeod, Renville, Sibley34 min
Jun 30, 11:29 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Sibley46 min
Jun 30, 11:54 PM CDTSevere Thunderstorm WarningMPXHennepin, Scott32 min
Jul 1, 12:22 AM CDTSpecial Weather StatementMPXDakota, Goodhue, Ramsey, Rice, Washington38 min
Jul 1, 12:42 AM CDTSevere Thunderstorm WarningMPXDakota, Goodhue33 min
Jul 1, 1:56 AM CDTFlash Flood WatchMPXBlue Earth, Brown, Carver, Chippewa, Dakota, Freeborn and 13 more7 hr
Jul 1, 2:10 AM CDTSpecial Weather StatementMPXRenville, Yellow Medicine3 hr
Jul 1, 2:42 AM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Yellow Medicine33 min
Jul 1, 3:55 AM CDTSpecial Weather StatementMPXBrown, Nicollet, Sibley50 min
Jul 1, 4:37 AM CDTFlash Flood WarningMPXRedwood, Renville, Yellow Medicine3 hr
Jul 1, 6:56 AM CDTSpecial Weather StatementMPXMorrison2 hr
Jul 1, 7:01 AM CDTRiver Flood WarningMPXRenville24 days
Jul 1, 7:31 AM CDTAreal Flood WarningMPXBrown, Redwood, Renville, Sibley, Yellow Medicine9 hr
Jul 1, 9:41 AM CDTRiver Flood WarningMPXBrown7 days
Jul 1, 9:41 AM CDTRiver Flood WarningMPXBrown6 days
Jul 1, 9:41 AM CDTRiver Flood WarningMPXChippewa, Lac qui Parle, Yellow Medicine24 days
Jul 1, 9:41 AM CDTRiver Flood WarningMPXRedwood21 days
Jul 1, 1:34 PM CDTFlash Flood WatchMPXBlue Earth, Brown, Dakota, Faribault, Freeborn, Goodhue and 11 more7 hr
Jul 1, 3:27 PM CDTSevere Thunderstorm WarningMPXWatonwan50 min
Jul 1, 3:30 PM CDTSpecial Weather StatementMPXWaseca30 min
Jul 1, 3:36 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn54 min
Jul 1, 4:09 PM CDTTornado WarningMPXFreeborn36 min
Jul 1, 4:16 PM CDTSpecial Weather StatementMPXBlue Earth, Martin29 min
Jul 1, 4:45 PM CDTTornado WarningMPXFreeborn45 min
Jul 1, 5:04 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn, Steele, Waseca45 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2019Every severe thunderstorm warning in 2019

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.