Alert archive / North Dakota / Freeze Watches in 2011

Freeze Watch 2, NWS Bismarck, ND

September 14, 201111 counties in North Dakota

NWS Bismarck, ND issued this freeze watch at Sep 14, 2011, 2:58 AM MDT for 11 counties in North Dakota. It took effect at Sep 15, 2011, 12:00 AM MDT. It was in force for .

The area

The counties it named.

The facts

Issued
Sep 14, 2011, 2:58 AM MDT (08:58 UTC)
In effect from
Sep 15, 2011, 12:00 AM MDT
Expired
Sep 14, 2011, 2:10 PM MDT
In force
Issued by
NWS Bismarck, ND

Counties Billings County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Grant County, ND, Hettinger County, ND, McKenzie County, ND, Mercer County, ND, Mountrail County, ND, Stark County, ND, Williams County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 9.0 hours before the alert went out and 176 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, Bismarck Municip, ND at 00:00Z on 2011-09-14Temperature 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, Bismarck Municip, ND at 00:00Z on 2011-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.1939587897Sfc1 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
1786 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Bismarck, ND wrote its last area forecast discussion before this freeze watch went out at Sep 14, 2:27 AM MDT, 31 minutes earlier.

Area forecast discussion, Sep 14, 2:27 AM MDT, 31 minutes before
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Hazardous weather outlook, Sep 13, 2:40 PM MDT, 12 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BISMARCK ND
340 PM CDT TUE SEP 13 2011

NDZ001>005-009>013-017>023-025-032>037-041-042-142045-
DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD-
MCHENRY-PIERCE-MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS-
FOSTER-BILLINGS-STARK-MORTON-BURLEIGH-KIDDER-STUTSMAN-HETTINGER-
GRANT-
340 PM CDT TUE SEP 13 2011 /240 PM MDT TUE SEP 13 2011/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
NORTH DAKOTA...NORTHWEST NORTH DAKOTA...SOUTH CENTRAL NORTH
DAKOTA...SOUTHEAST NORTH DAKOTA AND SOUTHWEST NORTH DAKOTA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

LOW TEMPERATURES WILL FALL INTO THE UPPER 20S ACROSS NORTHWEST AND
NORTH CENTRAL NORTH DAKOTA...WITH LOWS IN THE LOWER 30S ACROSS
MUCH OF THE INTERSTATE 94 CORRIDOR...AND A FREEZE WARNING IS IN
EFFECT FOR THESE AREAS TONIGHT INTO WEDNESDAY MORNING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

FROST AND FREEZING TEMPERATURES WILL BE POSSIBLE ACROSS MUCH OF
CENTRAL AND PORTIONS OF WESTERN NORTH DAKOTA WEDNESDAY NIGHT INTO
THURSDAY MORNING.

SHOWERS AND THUNDERSTORMS RETURN TO THE FORECAST SATURDAY AND
SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

NDZ031-040-043>048-050-051-142045-
GOLDEN VALLEY-SLOPE-BOWMAN-ADAMS-SIOUX-EMMONS-LOGAN-LA MOURE-
MCINTOSH-DICKEY-
340 PM CDT TUE SEP 13 2011 /240 PM MDT TUE SEP 13 2011/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
NORTH DAKOTA...SOUTHEAST NORTH DAKOTA AND SOUTHWEST NORTH DAKOTA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

LOW TEMPERATURES ARE FORECAST TO FALL INTO THE LOW TO MID 30S
ACROSS FAR SOUTHERN NORTH DAKOTA. FROST WILL BE LIKELY FOR
LOCATIONS EAST OF THE MISSOURI RIVER NEAR THE SOUTH DAKOTA BORDER AND
A FROST ADVISORY IS IN EFFECT TONIGHT INTO WEDNESDAY MORNING FOR
THESE AREAS. ACROSS THE FAR SOUTHWEST...WINDS WILL BE STRONG
ENOUGH TO PREVENT FROST FORMATION.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

FROST AND FREEZING TEMPERATURES WILL BE POSSIBLE ACROSS MUCH OF
CENTRAL AND PORTIONS OF WESTERN NORTH DAKOTA WEDNESDAY NIGHT INTO
THURSDAY MORNING.

SHOWERS AND THUNDERSTORMS RETURN TO THE FORECAST SATURDAY AND
SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

AYD

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 2:58 AM MDTFreeze WarningBISBottineau, Burke, Burleigh, Dickey, Emmons, Foster and 14 more29 hr
Sep 14, 2:10 PM MDTFrost AdvisoryBISBillings, Divide, Dunn, Grant, Hettinger, McKenzie and 2 more18 hr

Nearby

Freeze Watches in North Dakota, 2011Every freeze watch in 2011

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.