Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 41, NWS Twin Cities, MN

June 16, 2014Freeborn County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 16, 2014, 6:59 PM CDT for Freeborn County, Minnesota. It was in force for 31 min. 2 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 16, 2014, 6:59 PM CDT (23:59 UTC)
Expired
Jun 16, 2014, 7:30 PM CDT
In force
31 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

County Freeborn County, MN

The radar

The Minneapolis radar (KMPX), 136 km from the middle of the area, began a volume at 00:04 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 16, 7:00 PM CDTTSTM WND GST 705 Se Twin Lakes, MNTIME IS ESTIMATED
Jun 16, 7:13 PM CDTTSTM WND GST 532 N Albert Lea, MNREPORTED AT ALBERT LEA AIRPORT

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

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 16, 12:25 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 12.0 hours before the alert went out and 137 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 12:00Z on 2014-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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, Minneapolis, MN at 12:00Z on 2014-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 square meters per square second.1939587897Sfc1 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
15 J/kg
Mixed-layer CIN
-158 J/kg
Mixed-layer LCL
1817 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
264 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.

043 
WUUS53 KMPX 162359
SVRMPX
MNC047-170030-
/O.NEW.KMPX.SV.W.0041.140616T2359Z-140617T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
659 PM CDT MON JUN 16 2014

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 730 PM CDT

* AT 656 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR HAYWARD...
  AND MOVING EAST AT 35 MPH.

  HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE
           TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
           ROOFS AND OUTBUILDINGS.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN FREEBORN COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!

&&

LAT...LON 4351 9336 4385 9338 4385 9305 4350 9306
TIME...MOT...LOC 2359Z 249DEG 32KT 4370 9314

HAIL...1.00IN
WIND...70MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 10:50 AM CDTRiver Flood WarningMPXBrown7 days
Jun 16, 10:50 AM CDTRiver Flood WarningMPXChippewa, Lac qui Parle, Yellow Medicine24 days
Jun 16, 11:08 AM CDTFlash Flood WatchMPXBlue Earth, Brown, Faribault, Freeborn, Goodhue, Le Sueur and 10 more13 hr
Jun 16, 1:07 PM CDTSpecial Weather StatementMPXChippewa, Lac qui Parle, Swift, Yellow Medicine53 min
Jun 16, 2:10 PM CDTSpecial Weather StatementMPXLac qui Parle65 min
Jun 16, 2:21 PM CDTSpecial Weather StatementMPXChippewa, Lac qui Parle, Swift54 min
Jun 16, 2:51 PM CDTAreal Flood WarningMPXChippewa, Kandiyohi, Lac qui Parle, Renville, Swift, Yellow Medicine3 hr
Jun 16, 3:14 PM CDTAreal Flood WarningMPXBrown, Nicollet, Redwood, Renville, Sibley3 hr
Jun 16, 3:31 PM CDTSpecial Weather StatementMPXMartin44 min
Jun 16, 3:43 PM CDTAreal Flood WarningMPXBlue Earth, Faribault, Martin, Watonwan3 hr
Jun 16, 3:46 PM CDTSevere Thunderstorm WarningMPXMartin, Watonwan44 min
Jun 16, 4:08 PM CDTTornado WarningMPXMartin37 min
Jun 16, 4:19 PM CDTHigh Wind WarningMPXAnoka, Brown, Carver, Chippewa, Chisago, Dakota and 23 more9 hr
Jun 16, 4:23 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Watonwan52 min
Jun 16, 4:33 PM CDTFlash Flood WarningMPXMartin, Watonwan3 hr
Jun 16, 4:34 PM CDTSevere Thunderstorm WarningMPXMartin56 min
Jun 16, 5:00 PM CDTAreal Flood WarningMPXFreeborn, Steele, Waseca4 hr
Jun 16, 5:14 PM CDTTornado WarningMPXMartin31 min
Jun 16, 5:17 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Watonwan58 min
Jun 16, 5:28 PM CDTSevere Thunderstorm WarningMPXFaribault, Martin62 min
Jun 16, 5:31 PM CDTFlash Flood WarningMPXBlue Earth, Watonwan3 hr
Jun 16, 5:31 PM CDTSevere Thunderstorm WarningMPXBlue Earth44 min
Jun 16, 5:39 PM CDTTornado WarningMPXBlue Earth36 min
Jun 16, 5:56 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Waseca49 min
Jun 16, 6:02 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn58 min
Jun 16, 6:07 PM CDTFlash Flood WarningMPXBlue Earth, Le Sueur, Rice, Waseca3 hr
Jun 16, 6:20 PM CDTSevere Thunderstorm WarningMPXSteele40 min
Jun 16, 6:42 PM CDTFlash Flood WarningMPXBlue Earth, Faribault, Freeborn, Steele, Waseca3 hr

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.