Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 42, NWS Twin Cities, MN

June 17, 2014Blue Earth County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2014, 11:12 PM CDT for Blue Earth County, Nicollet County, Minnesota. It was in force for 48 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
Jun 17, 2014, 11:12 PM CDT (04:12 UTC)
Expired
Jun 18, 2014, 12:00 AM CDT
In force
48 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Blue Earth County, MN, Nicollet County, MN

The radar

The Minneapolis radar (KMPX), 86 km from the middle of the area, began a volume at 04:16 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
Jun 17, 11:13 PM CDTHAIL 11 N Good Thunder, MN
Jun 17, 11:25 PM CDTHAIL 1.52 Nne Good Thunder, MN
Jun 17, 11:38 PM CDTHAIL 11 Sse Skyline, MN
Jun 18, 12:09 AM CDTHAIL 0.88Mankato, MNOCCURRED OVER WESTERN PORTION OF CITY ALONG HIGHWAY 14.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.2 hours before the alert went out and 84 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, Minneapolis, MN at 00:00Z on 2014-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 901 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, Minneapolis, MN at 00:00Z on 2014-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 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
901 J/kg
Mixed-layer CIN
-172 J/kg
Mixed-layer LCL
1176 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

080 
WUUS53 KMPX 180412
SVRMPX
MNC013-103-180500-
/O.NEW.KMPX.SV.W.0042.140618T0412Z-140618T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1112 PM CDT TUE JUN 17 2014

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTH CENTRAL NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL MIDNIGHT CDT

* AT 1111 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 5 MILES SOUTHWEST OF MINNEOPA STATE PARK TO 9 MILES
  SOUTH OF MANKATO...AND MOVING NORTH AT 20 MPH.

  HAZARD...HALF DOLLAR SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

* LOCATIONS IMPACTED INCLUDE...
  MANKATO...MINNEOPA STATE PARK...SKYLINE...NORTH MANKATO...EAGLE
  LAKE...NICOLLET...MADISON LAKE AND MANKATO AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4408 9429 4432 9421 4428 9401 4424 9402
      4424 9377 4396 9395
TIME...MOT...LOC 0412Z 189DEG 17KT 4410 9415 4405 9401

HAIL...1.25IN
WIND...<50MPH

$$

BORGHOFF
1 follow-up statement
809 
WWUS53 KMPX 180432
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1132 PM CDT TUE JUN 17 2014

MNC013-103-180500-
/O.CON.KMPX.SV.W.0042.000000T0000Z-140618T0500Z/
NICOLLET MN-BLUE EARTH MN-
1132 PM CDT TUE JUN 17 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN BLUE
EARTH AND SOUTH CENTRAL NICOLLET COUNTIES UNTIL MIDNIGHT CDT...

AT 1131 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MINNEOPA STATE PARK TO MANKATO...AND MOVING NORTHEAST
AT 20 MPH.

HAZARD...HALF DOLLAR SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

SEVERE THUNDERSTORMS WILL BE NEAR...
  MINNEOPA STATE PARK AROUND 1140 PM CDT.
  MANKATO AROUND 1145 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE SKYLINE...NORTH MANKATO...
NICOLLET...EAGLE LAKE...MANKATO AIRPORT AND MADISON LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4409 9417 4409 9419 4412 9427 4432 9421
      4428 9401 4424 9402 4424 9377 4406 9395
      4406 9406
TIME...MOT...LOC 0432Z 215DEG 16KT 4416 9417 4410 9402

HAIL...1.25IN
WIND...<50MPH

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 10:35 PM CDTRiver Flood WarningMPXGoodhue55 hr
Jun 17, 10:48 PM CDTSpecial Weather StatementMPXRamsey42 min
Jun 17, 10:54 PM CDTSpecial Weather StatementMPXBlue Earth51 min
Jun 17, 11:35 PM CDTSpecial Weather StatementMPXWatonwan40 min
Jun 17, 11:59 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet46 min
Jun 18, 12:12 AM CDTFlash Flood WarningMPXBlue Earth, Nicollet4 hr
Jun 18, 12:50 AM CDTSevere Thunderstorm WarningMPXRice55 min
Jun 18, 2:42 AM CDTFlash Flood WarningMPXBrown4 hr
Jun 18, 3:02 AM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn43 min
Jun 18, 7:11 AM CDTAreal Flood WarningMPXBlue Earth, Brown, Le Sueur, Nicollet, Waseca4 days
Jun 18, 1:33 PM CDTRiver Flood WarningMPXBlue Earth, Nicollet9 days
Jun 18, 1:33 PM CDTRiver Flood WarningMPXLe Sueur, Scott, Sibley16 days
Jun 18, 1:33 PM CDTRiver Flood WarningMPXCarver, Scott19 days
Jun 18, 1:33 PM CDTRiver Flood WarningMPXDakota, Hennepin, Scott21 days
Jun 18, 2:41 PM CDTFlash Flood WatchMPXAnoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 25 more29 hr
Jun 18, 3:47 PM CDTAreal Flood WarningMPXLe Sueur, Rice, Steele, Waseca4 days

Nearby

Severe Thunderstorm Warnings in Minnesota, 2014Every severe thunderstorm warning 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.