Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 405, NWS Twin Cities, MN

October 5, 2007Brown County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 5, 2007, 2:13 AM CDT for Brown County, Minnesota. It was in force for 47 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
Oct 5, 2007, 2:13 AM CDT (07:13 UTC)
Expired
Oct 5, 2007, 3:00 AM CDT
In force
47 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

County Brown County, MN

The radar

The Minneapolis radar (KMPX), 118 km from the middle of the area, began a volume at 07:15 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.2 hours before the alert went out and 116 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 2007-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2007-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
1512 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
178 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.

000 
WUUS53 KMPX 050713
SVRMPX
MNC015-050800-
/O.NEW.KMPX.SV.W.0405.071005T0713Z-071005T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
213 AM CDT FRI OCT 5 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 300 AM CDT

* AT 211 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...   
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND 65 MPH WINDS. THIS      
  STORM WAS LOCATED 6 MILES SOUTH OF SPRINGFIELD...AND MOVING        
  NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SPRINGFIELD...
  COBDEN...
  EVAN...
  SLEEPY EYE...
  HANSKA...
  NEW ULM...

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4422 9510 4429 9497 4429 9488 4436 9487
      4443 9475 4440 9470 4432 9445 4413 9439
      4411 9499
TIME...MOT...LOC 0713Z 233DEG 26KT 4416 9496

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 4, 10:09 PM CDTFlood WatchMPXFreeborn, Goodhue, Rice, Steele14 hr
Oct 5, 1:15 AM CDTSevere Thunderstorm WarningMPXMeeker, Wright46 min
Oct 5, 2:34 AM CDTFlash Flood WarningMPXBrown, Nicollet, Redwood, Renville, Sibley3 hr
Oct 5, 3:17 AM CDTFlash Flood WatchMPXAnoka, Benton, Blue Earth, Brown, Carver, Chisago and 25 more9 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.