Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 112, NWS Twin Cities, MN

June 16, 2007Brown County, Redwood County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 16, 2007, 5:25 PM CDT for Brown County, Redwood County, Minnesota. It was in force for 65 min. 3 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, 2007, 5:25 PM CDT (22:25 UTC)
Expired
Jun 16, 2007, 6:30 PM CDT
In force
65 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Brown County, MN, Redwood County, MN

The radar

The Minneapolis radar (KMPX), 125 km from the middle of the area, began a volume at 22:25 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, 5:30 PM CDTTSTM WND DMG3 Ssw Clements, MN3 TO 4 INCH DIAMETER TREE BRANCH DOWN. TIME ESTIMATED.
Jun 16, 5:40 PM CDTTSTM WND DMGSpringfield, MN14 YEAR OLD MAPLE TREE SPLIT. BRANCHES APPROXIMATELY 3 INCHES IN DIAMETER DOWN. TIME APPROXIMATED. SPOTTER INDICATED NUMEROUS BRANCHES DOWN AROUND SPRINGFIELD.
Jun 16, 5:50 PM CDTHAIL 0.88Springfield, MNSPOTTER ALSO NOTED LARGE TREE BRANCHES DOWN AROUND SPRINGFIELD. TIME APPROXIMATED.

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 12:00Z, 10.4 hours before the alert went out and 122 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 2007-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 743 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 2007-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
743 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
627 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 162226
SVRMPX
MNC015-127-162330-
/O.NEW.KMPX.SV.W.0112.070616T2225Z-070616T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
525 PM CDT SAT JUN 16 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  REDWOOD COUNTY IN SOUTHWEST MINNESOTA...
  BROWN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 630 PM CDT

* AT 521 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS STORM WAS LOCATED 6
  MILES NORTHWEST OF SPRINGFIELD...OR ABOUT 17 MILES SOUTH OF REDWOOD
  FALLS...AND MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SPRINGFIELD...
  SLEEPY EYE...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4441 9509 4425 9515 4412 9498 4411 9454
      4442 9472

$$

MDB
2 follow-up statements
000 
WWUS53 KMPX 162246
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
546 PM CDT SAT JUN 16 2007

MNC015-127-162330-
/O.CON.KMPX.SV.W.0112.000000T0000Z-070616T2330Z/
REDWOOD MN-BROWN MN-
546 PM CDT SAT JUN 16 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR BROWN AND REDWOOD COUNTIES...

AT 542 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. 
THIS STORM WAS LOCATED 5 MILES NORTHWEST OF SPRINGFIELD. DOPPLER 
RADAR INDICATED ANOTHER SEVERE THUNDERSTORM...CAPABLE OF PRODUCING 
LARGE HAIL 2 MILES SOUTHWEST OF EVAN. THE STORMS WERE MOVING 
SOUTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SPRINGFIELD...SLEEPY EYE...
MORGAN...EVAN...COBDEN AND CLEMENTS.

LAT...LON 4441 9509 4425 9515 4412 9498 4411 9454
      4442 9472

$$
000 
WWUS53 KMPX 162302
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
602 PM CDT SAT JUN 16 2007

MNC127-162311-
/O.CAN.KMPX.SV.W.0112.000000T0000Z-070616T2330Z/
REDWOOD MN-
602 PM CDT SAT JUN 16 2007

...THE SEVERE THUNDERSTORM WARNING FOR REDWOOD COUNTY IS CANCELLED...

SEVERE WEATHER HAS MOVED OUT OF THE COUNTY.

LAT...LON 4427 9485 4424 9510 4412 9498 4411 9454
      4436 9472

$$

MNC015-162330-
/O.CON.KMPX.SV.W.0112.000000T0000Z-070616T2330Z/
BROWN MN-
602 PM CDT SAT JUN 16 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR BROWN COUNTY...

AT 559 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. 
THIS STORM WAS LOCATED 5 MILES SOUTHWEST OF SLEEPY EYE...AND MOVING
SOUTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SPRINGFIELD AND SLEEPY EYE.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4427 9485 4424 9510 4412 9498 4411 9454
      4436 9472

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 6:34 PM CDTSevere Thunderstorm WarningMPXBrown26 min
Jun 16, 6:58 PM CDTSevere Thunderstorm WarningMPXBlue Earth62 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2007Every severe thunderstorm warning in 2007

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.