Alert archive / Wisconsin / Special Weather Statements in 2009

Special Weather Statement, NWS Duluth, MN

July 22, 2009Bayfield County, Wisconsin

NWS Duluth, MN issued this special weather statement at Jul 22, 2009, 1:21 PM CDT for Bayfield County, Wisconsin. It was in force for 39 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 22, 2009, 1:21 PM CDT (18:21 UTC)
Expired
Jul 22, 2009, 2:00 PM CDT
In force
39 min
Issued by
NWS Duluth, MN

County Bayfield County, WI

The radar

The Duluth radar (KDLH), 99 km from the middle of the area, began a volume at 18:24 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 12:00Z, 6.4 hours before the alert went out and 285 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 2009-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 257 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2009-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
257 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1123 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
36 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.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 22, 9:45 AM CDT, 3 hours 36 minutes earlier.

Area forecast discussion, Jul 22, 9:45 AM CDT, 3 hours 36 minutes before
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Hazardous weather outlook, Jul 22, 3:38 AM CDT, 9 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DULUTH MN
338 AM CDT WED JUL 22 2009

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-231030-
KOOCHICHING-NORTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE-
NORTHERN ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/LAKESHORE-
SOUTHERN COOK/LAKESHORE-NORTHERN CASS-SOUTHERN ITASCA-
SOUTHERN CASS-CROW WING-NORTHERN AITKIN-SOUTHERN AITKIN-
CARLTON/SOUTHERN ST. LOUIS-PINE-DOUGLAS-BAYFIELD-ASHLAND-IRON-
BURNETT-WASHBURN-SAWYER-PRICE-
338 AM CDT WED JUL 22 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MINNESOTA AND
NORTHWEST WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE NORTHLAND TODAY.
SOME OF THE STORMS MAY BE STRONG AND PRODUCE LARGE HAIL OR GUSTY
WINDS...ESPECIALLY IN THE AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED THUNDERSTORMS ARE EXPECTED AGAIN THURSDAY THROUGH
FRIDAY. AT THIS TIME...THESE STORMS ARE NOT EXPECTED TO BE SEVERE.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED TODAY OR TONIGHT.

LSZ121-140>148-231030-
BAYFIELD TO OAK POINT WI-GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-
DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI-
SAND ISLAND TO BAYFIELD WI-OAK POINT TO SAXON HARBOR WI-
338 AM CDT WED JUL 22 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF
WESTERN LAKE SUPERIOR.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED TODAY. SOME OF THE STORMS
MAY BE STRONG AND PRODUCE LARGE HAIL OR GUSTY WINDS...ESPECIALLY
IN THE AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED THUNDERSTORMS ARE EXPECTED AGAIN THURSDAY THROUGH
FRIDAY. AT THIS TIME...THESE STORMS ARE NOT EXPECTED TO BE SEVERE.

14

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB ADDRESS:
HTTP://WWW.WEATHER.GOV/DULUTH (ALL LOWER CASE)

In the hours before

Special weather statement, Jul 22, 12:59 PM CDT, 22 minutes before
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Special weather statement, Jul 22, 1:00 PM CDT, 21 minutes before
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Special weather statement, Jul 22, 1:05 PM CDT, 16 minutes before
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Special weather statement, Jul 22, 1:18 PM CDT, 3 minutes before
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Special weather statement, Jul 22, 1:18 PM CDT, 3 minutes before
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Special weather statement, Jul 22, 1:21 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 7:04 PM CDTSpecial Weather StatementDLHSaint Louis56 min
Jul 22, 2:05 AM CDTSpecial Weather StatementDLHCook55 min
Jul 22, 11:27 AM CDTSpecial Weather StatementDLHKoochiching48 min
Jul 22, 11:42 AM CDTSpecial Weather StatementDLHSaint Louis18 min
Jul 22, 11:56 AM CDTSpecial Weather StatementDLHItasca19 min
Jul 22, 12:04 PM CDTSpecial Weather StatementDLHCarlton56 min
Jul 22, 12:05 PM CDTSpecial Weather StatementDLHKoochiching25 min
Jul 22, 12:09 PM CDTSpecial Weather StatementDLHCook36 min
Jul 22, 12:14 PM CDTSpecial Weather StatementDLHCarlton61 min
Jul 22, 12:19 PM CDTSpecial Weather StatementDLHItasca26 min
Jul 22, 12:37 PM CDTSpecial Weather StatementDLH53 min
Jul 22, 12:42 PM CDTSpecial Weather StatementDLHLake48 min
Jul 22, 12:43 PM CDTSpecial Weather StatementDLHItasca17 min
Jul 22, 12:50 PM CDTSpecial Weather StatementDLHPine55 min
Jul 22, 12:53 PM CDTSpecial Weather StatementDLHCook22 min
Jul 22, 12:56 PM CDTSpecial Weather StatementDLHCarlton19 min
Jul 22, 12:59 PM CDTSpecial Weather StatementDLHItasca31 min
Jul 22, 1:18 PM CDTSpecial Weather StatementDLHLake27 min
Jul 22, 1:29 PM CDTSpecial Weather StatementDLH46 min
Jul 22, 1:51 PM CDTSpecial Weather StatementDLHPine54 min
Jul 22, 1:54 PM CDTSpecial Weather StatementDLHLake66 min
Jul 22, 2:05 PM CDTSpecial Weather StatementDLHKoochiching25 min
Jul 22, 2:11 PM CDTSpecial Weather StatementDLHCrow Wing19 min
Jul 22, 2:14 PM CDTSpecial Weather StatementDLHSaint Louis46 min
Jul 22, 2:15 PM CDTSpecial Weather StatementDLHCass30 min
Jul 22, 2:24 PM CDTSpecial Weather StatementDLHPine51 min
Jul 22, 2:30 PM CDTSpecial Weather StatementDLHItasca30 min
Jul 22, 2:37 PM CDTSpecial Weather StatementDLHLake23 min
Jul 22, 2:55 PM CDTSpecial Weather StatementDLHSaint Louis35 min
Jul 22, 2:56 PM CDTSpecial Weather StatementDLHSaint Louis34 min
Jul 22, 3:08 PM CDTSpecial Weather StatementDLHLake37 min
Jul 22, 3:46 PM CDTSpecial Weather StatementDLHKoochiching14 min
Jul 22, 3:54 PM CDTSpecial Weather StatementDLHPine66 min
Jul 22, 4:16 PM CDTSpecial Weather StatementDLHSaint Louis29 min
Jul 22, 4:24 PM CDTSpecial Weather StatementDLHCarlton36 min
Jul 22, 5:08 PM CDTSpecial Weather StatementDLHCarlton52 min
Jul 22, 6:06 PM CDTSpecial Weather StatementDLHCarlton39 min
Jul 22, 6:43 PM CDTSpecial Weather StatementDLHPine47 min
Jul 21, 7:08 PM CDTSpecial Weather StatementDLHBurnett, Douglas, Washburn52 min
Jul 21, 8:17 PM CDTSpecial Weather StatementDLHWashburn43 min
Jul 22, 12:25 AM CDTSpecial Weather StatementDLHAshland, Iron, Price, Sawyer65 min
Jul 22, 11:45 AM CDTSpecial Weather StatementDLHAshland45 min
Jul 22, 12:51 PM CDTSpecial Weather StatementDLHBayfield24 min
Jul 22, 12:55 PM CDTSpecial Weather StatementDLHBayfield20 min
Jul 22, 1:00 PM CDTSpecial Weather StatementDLHSawyer30 min
Jul 22, 1:05 PM CDTSpecial Weather StatementDLHSawyer25 min
Jul 22, 1:42 PM CDTSpecial Weather StatementDLHAshland33 min
Jul 22, 2:03 PM CDTSpecial Weather StatementDLHAshland42 min
Jul 22, 2:12 PM CDTSpecial Weather StatementDLHDouglas33 min
Jul 22, 2:20 PM CDTSpecial Weather StatementDLHDouglas25 min
Jul 22, 2:35 PM CDTSpecial Weather StatementDLHBayfield25 min
Jul 22, 2:41 PM CDTSpecial Weather StatementDLHDouglas34 min
Jul 22, 3:05 PM CDTSpecial Weather StatementDLHBayfield40 min
Jul 22, 3:12 PM CDTSpecial Weather StatementDLHDouglas33 min
Jul 22, 3:30 PM CDTSpecial Weather StatementDLHWashburn45 min
Jul 22, 3:34 PM CDTSpecial Weather StatementDLHBayfield41 min
Jul 22, 3:44 PM CDTSpecial Weather StatementDLHBurnett, Washburn61 min
Jul 22, 4:03 PM CDTAreal Flood AdvisoryDLHBayfield3 hr
Jul 22, 4:11 PM CDTSpecial Weather StatementDLHBurnett, Washburn64 min
Jul 22, 4:20 PM CDTSpecial Weather StatementDLHBayfield25 min
Jul 22, 5:16 PM CDTSpecial Weather StatementDLHSawyer44 min

Nearby

Special Weather Statements in Wisconsin, 2009Every special weather statement in 2009

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.