Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 112, NWS Twin Cities, MN

July 19, 2003Morrison County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 2003, 4:56 PM CDT for Morrison County, Minnesota. It was in force for 34 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: Jul 19, 2003, 4:56 PM CDT (21:56 UTC)
Expired: Jul 19, 2003, 5:30 PM CDT
In force: 34 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Morrison County, MN

The radar

The Minneapolis radar (KMPX), 141 km from the middle of the area, began a volume at 21:59 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 19, 2:40 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.9 hours before the alert went out and 140 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1684 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 111 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.

159 
WUUS53 KMPX 192156
SVRMPX
MNC097-192230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
456 PM CDT SAT JUL 19 2003

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 530 PM CDT

* AT 456 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES WEST
  OF ELMDALE...OR ABOUT 15 MILES SOUTHEAST OF LONG PRAIRIE...MOVING
  SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BUCKMAN.
  ELMDALE.
  FLENSBURG.
  LITTLE FALLS.
  SOBIESKI.

THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

THIS IS A DANGEROUS STORM WITH DAMAGING WINDS...STAY INDOORS AWAY
FROM WINDOWS.

LAT...LON 4608 9462 4582 9460 4584 9405 4604 9417

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 2:59 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	61 min
Jul 19, 3:42 PM CDT	Tornado Warning	MPX	Todd	33 min
Jul 19, 3:58 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	62 min
Jul 19, 4:05 PM CDT	Tornado Warning	MPX	Morrison	25 min
Jul 19, 4:06 PM CDT	Tornado Warning	MPX	Morrison	54 min
Jul 19, 4:23 PM CDT	Severe Thunderstorm Warning	MPX	Todd	52 min
Jul 19, 4:36 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	54 min
Jul 19, 5:02 PM CDT	Tornado Warning	MPX	Stearns	43 min
Jul 19, 5:41 PM CDT	Severe Thunderstorm Warning	MPX	Todd	49 min
Jul 19, 5:47 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	43 min
Jul 19, 5:54 PM CDT	Tornado Warning	MPX	Stearns	36 min
Jul 19, 6:00 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	60 min
Jul 19, 6:01 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	59 min
Jul 19, 6:46 PM CDT	Severe Thunderstorm Warning	MPX	McLeod	59 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2003 Every severe thunderstorm warning in 2003

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.