Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 64, NWS Duluth, MN

July 17, 2001Pine County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Jul 17, 2001, 10:49 PM CDT for Pine County, Minnesota. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 17, 2001, 10:49 PM CDT (03:49 UTC)
Expired: Jul 17, 2001, 11:45 PM CDT
In force: 56 min
Issued by: NWS Duluth, MN
Area: Whole counties

County Pine County, MN

The radar

The Duluth radar (KDLH), 89 km from the middle of the area, began a volume at 03:49 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 17, 7:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.8 hours before the alert went out and 156 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: 4439 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1233 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 4.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Duluth, MN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 17, 3:15 PM CDT, 7 hours 34 minutes earlier.

Area forecast discussion, Jul 17, 3:15 PM CDT, 7 hours 34 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DULUTH MN
315 PM CDT TUE JUL 17 2001

LITTLE CHANGE IN ON-GOING FORECAST SCHEME WITH SCATTERED
THUNDERSTORMS EXPECTED THROUGH THE PERIOD IN UNSTABLE ATMOSPHERE. NO
REAL BIG KICKER IN THE WORKS...SOME S/WVS COMING OVER TOP OF SLOWLY
WEAKENING RIDGE...BUT NOTHING THAT MODELS CAN REALLY AGREE ON. WHAT
CAN BE AGREED UPON IS CONTINUED WARM AND HUMID WEATHER PATTERN TO
WITH SOME RESPITE FOUND NEAR THE SHORES OF LAKE SUPERIOR. COLD FRONT
COMING THROUGH ON THURSDAY AFTERNOON/EVENING. ETA FASTEST WITH THIS
FEATURE...BUT TOO FAR AHEAD TO PIN DOWN MORE PRECISE TIMING.
FOLLOWED GENERAL FORECAST NUMBERS.

.DLH...NONE.

CLC

In the hours before

Local storm report, Jul 17, 8:41 PM CDT, 2 hours 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH, MN
841 PM CDT TUE JUL 17 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0520 PM    CASS LAKE                 MN   .75 INCH HAIL
07/17/01   CASS

0728 PM    NORTHOME                  MN   1.00 INCH HAIL
07/17/01   KOOCHICHING

0825 PM    PILLAGER                  MNt   60 MPH TSTM WIND GUST
07/17/01   CASS

0825 PM    LAKESHORE                 MN   60 MPH TSTM WIND GUST
07/17/01   CASS

DLT

Local storm report, Jul 17, 9:45 PM CDT, 1 hour 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH, MN
945 PM CDT TUE JUL 17 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0520 PM    CASS LAKE                 MN   .75 INCH HAIL
07/17/01   CASS

0728 PM    NORTHOME                  MN   1.00 INCH HAIL
07/17/01   KOOCHICHING

0825 PM    PILLAGER                  MN   60 MPH TSTM WIND GUST
07/17/01   CASS

0825 PM    LAKESHORE                 MN   60 MPH TSTM WIND GUST
07/17/01   CASS

0858 PM    BAXTER                    MN   1.00 INCH HAIL
07/17/01   CROW WING

0858 PM    BAXTER                    MN   58 MPH TSTM WIND GUST
07/17/01   CROW WING                      POWER OUTAGES

0910 PM    FT. RIPLEY                MN   .88 INCH HAIL
07/17/01   CROW WING

0923 PM    WALKER                    MN   .75 INCH HAIL
07/17/01   CASS

0935 PM    BENA                      MN   1.75 INCH HAIL
07/17/01   CASS

0935 PM    BENA                      MN   60 MPH TSTM WIND GUST
07/17/01   CASS

DLT

Local storm report, Jul 17, 10:35 PM CDT, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH, MN
1035 PM CDT TUE JUL 17 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0520 PM    CASS LAKE                 MN   .75 INCH HAIL
07/17/01   CASS

0728 PM    NORTHOME                  MN   1.00 INCH HAIL
07/17/01   KOOCHICHING

0825 PM    PILLAGER                  MN   60 MPH TSTM WIND GUST
07/17/01   CASS

0825 PM    LAKESHORE                 MN   60 MPH TSTM WIND GUST
07/17/01   CASS

0858 PM    BAXTER                    MN   1.00 INCH HAIL
07/17/01   CROW WING

0858 PM    BAXTER                    MN   58 MPH TSTM WIND GUST
07/17/01   CROW WING                      POWER OUTAGES

0910 PM    FT. RIPLEY                MN   .88 INCH HAIL
07/17/01   CROW WING

0923 PM    WALKER                    MN   .75 INCH HAIL
07/17/01   CASS

0935 PM    BENA                      MN   1.75 INCH HAIL
07/17/01   CASS

0935 PM    BENA                      MN   60 MPH TSTM WIND GUST
07/17/01   CASS

1013 PM    REMER                     MN   60 MPH TSTM WIND GUST
07/17/01   CASS

1013 PM    REMER                     MN   .75 INCH HAIL
07/17/01   CASS

1025 PM    3 NE REMER                MN   60 MPH TSTM WIND GUST
07/17/01   CASS                           6 INCH TREES DOWN ON
                                          HIGHWAY 6

DLT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 7:03 PM CDT	Tornado Warning	DLH	Itasca, Koochiching	42 min
Jul 17, 7:45 PM CDT	Tornado Warning	DLH	Cass	45 min
Jul 17, 8:29 PM CDT	Tornado Warning	DLH	Cass	31 min
Jul 17, 8:45 PM CDT	Severe Thunderstorm Warning	DLH	Crow Wing	30 min
Jul 17, 9:16 PM CDT	Severe Thunderstorm Warning	DLH	Cass	59 min
Jul 17, 9:34 PM CDT	Severe Thunderstorm Warning	DLH	Crow Wing	56 min
Jul 17, 9:53 PM CDT	Tornado Warning	DLH	Cass	52 min
Jul 17, 10:24 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin	66 min
Jul 17, 11:26 PM CDT	Severe Thunderstorm Warning	DLH	Burnett	64 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2001 Every severe thunderstorm warning in 2001

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.