Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 179, NWS Twin Cities, MN

July 13, 2004Morrison County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 13, 2004, 12:00 AM CDT for Morrison County, Todd County, Minnesota. It was in force for 90 min. 12 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
Jul 13, 2004, 12:00 AM CDT (05:00 UTC)
Expired
Jul 13, 2004, 1:30 AM CDT
In force
90 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Morrison County, MN, Todd County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 206 km from the middle of the area, began a volume at 05:02 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
Jul 13, 12:05 AM CDTTORNADORichville, MN
Jul 13, 12:05 AM CDTTORNADORichville, MN
Jul 13, 12:35 AM CDTHAIL 0.882 N Wadena, MN
Jul 13, 12:35 AM CDTHAIL 0.882 N Wadena, MN
Jul 13, 12:35 AM CDTHAIL 0.882 N Wadena, MN
Jul 13, 12:35 AM CDTHAIL 0.882 N Wadena, MN
Jul 13, 1:10 AM CDTTSTM WND DMGAldrich, MN4 TO 6 INCH DIAMTER PINE TREES DOWN LAYING ACROSS SOUTH BOUND LANE OF US HIWAY 10.
Jul 13, 1:10 AM CDTTSTM WND DMGAldrich, MN4 TO 6 INCH DIAMTER PINE TREES DOWN LAYING ACROSS SOUTH BOUND LANE OF US HIWAY 10.
Jul 13, 1:10 AM CDTTSTM WND DMGAldrich, MN4 TO 6 INCH DIAMTER PINE TREES DOWN LAYING ACROSS SOUTH BOUND LANE OF US HIWAY 10.
Jul 13, 1:20 AM CDTTSTM WND DMG6 E Aldrich, MNSIGNIFICANT TREE DAMAGE AROUND STAPLES AIRPORT WITH 4 TO 6 INCH TREE BRANCHES DOWNED
Jul 13, 1:20 AM CDTTSTM WND DMG6 E Aldrich, MNSIGNIFICANT TREE DAMAGE AROUND STAPLES AIRPORT WITH 4 TO 6 INCH TREE BRANCHES DOWNED
Jul 13, 1:20 AM CDTTSTM WND DMG6 E Aldrich, MNSIGNIFICANT TREE DAMAGE AROUND STAPLES AIRPORT WITH 4 TO 6 INCH TREE BRANCHES DOWNED

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
Jul 12, 9:50 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 5.0 hours before the alert went out and 211 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 2004-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1267 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 00:00Z on 2004-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.19395878Sfc1 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
1267 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1215 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 130500
SVRMPX
MNC097-153-130630-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1159 PM CDT MON JUL 12 2004

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TODD COUNTY IN CENTRAL MINNESOTA
  MORRISON COUNTY IN CENTRAL MINNESOTA

* UNTIL 130 AM CDT

* AT 1149 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 75 MPH. SIREN
  ACTIVATION IS SUGGESTED. THIS STORM WAS LOCATED 43 MILES WEST OF
  STAPLES...OR ABOUT 19 MILES SOUTHEAST OF DETROIT LAKES...AND MOVING
  SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STAPLES.
  FORT RIPLEY.

LAT...LON 4665 9562 4649 9575 4595 9456 4623 9433

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 1:04 AM CDTSevere Thunderstorm WarningMPXFaribault, Martin56 min
Jul 13, 1:24 AM CDTSevere Thunderstorm WarningMPXMorrison, Todd51 min
Jul 13, 2:36 AM CDTSevere Thunderstorm WarningMPXChippewa54 min
Jul 13, 3:19 AM CDTSevere Thunderstorm WarningMPXRedwood, Yellow Medicine56 min
Jul 13, 4:05 AM CDTSevere Thunderstorm WarningMPXRedwood, Yellow Medicine25 min
Jul 13, 4:08 AM CDTTornado WarningMPXRedwood, Yellow Medicine22 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2004Every severe thunderstorm warning in 2004

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.