Alert archive / North Dakota / Frost Advisories in 2009
Frost Advisory 9, NWS Bismarck, ND
NWS Bismarck, ND issued this frost advisory at Sep 27, 2009, 2:13 PM MDT for 13 counties in North Dakota. It took effect at Sep 28, 2009, 3:00 AM MDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Sep 27, 2009, 2:13 PM MDT (20:13 UTC)
- In effect from
- Sep 28, 2009, 3:00 AM MDT
- Expired
- Sep 28, 2009, 8:00 AM MDT
- In force
- 5 hr
- Issued by
- NWS Bismarck, ND
Counties Adams County, ND, Billings County, ND, Bowman County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, Hettinger County, ND, McKenzie County, ND, Mountrail County, ND, Slope County, ND, Stark County, ND, Williams County, ND
The radar
The Bismarck radar (KBIS), 184 km from the middle of the area, began a volume at 20:15 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
Rapid City, SD (KUNR), launched 12:00Z, 8.2 hours before the alert went out and 361 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3013 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this frost advisory 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 frost advisory went out at Sep 27, 2:00 PM MDT, 13 minutes earlier.
Area forecast discussion, Sep 27, 2:00 PM MDT, 13 minutes before
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</html>Hazardous weather outlook, Sep 27, 4:15 AM MDT, 9 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 515 AM CDT SUN SEP 27 2009 NDZ001>005-009>013-019>023-025-034>037-042-045>048-050-051-281015- DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD- MCHENRY-PIERCE-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS-FOSTER-MORTON- BURLEIGH-KIDDER-STUTSMAN-GRANT-SIOUX-EMMONS-LOGAN-LA MOURE- MCINTOSH-DICKEY- 515 AM CDT SUN SEP 27 2009 /415 AM MDT SUN SEP 27 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL NORTH DAKOTA...NORTHWEST NORTH DAKOTA...SOUTH CENTRAL NORTH DAKOTA AND SOUTHEAST NORTH DAKOTA. .DAY ONE...TODAY AND TONIGHT WIND ADVISORY IN EFFECT SUNDAY MORNING THROUGH EARLY SUNDAY EVENING. A STRONG COLD FRONT WILL MOVE ACROSS WESTERN AND CENTRAL NORTH DAKOTA DURING THE EARLY MORNING HOURS ON SUNDAY. VERY STRONG NORTHWEST WINDS ARE EXPECTED TO DEVELOP. NORTHWEST WINDS OF 30 TO 35 MPH WITH GUSTS TO 50 MPH WILL OCCUR LATE SUNDAY MORNING THROUGH THE EARLY EVENING. SOME RAIN SHOWERS MAY CONTAIN WIND GUSTS OVER 50 MPH. AREAS OF FROST WILL OCCUR TONIGHT ACROSS WESTERN NORTH DAKOTA. SOME SPOTS WILL FALL TO 32. CHECK BACK FOR UPDATES ON ANY FROST ADVISORIES AND/OR FREEZE WARNINGS THAT MAY BE ISSUED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY AREAS OF FROST WILL OCCUR AGAIN MONDAY NIGHT. THERE WILL BE A FEW SPOTS THAT WILL FALL TO 32F. A FROST ADVISORY AND/OR A FREEZE WARNING MIGHT BE ISSUED IN LATER FORECASTS. CHECK BACK FOR UPDATES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. NDZ017-018-031>033-040-041-043-044-281015- MCKENZIE-DUNN-GOLDEN VALLEY-BILLINGS-STARK-SLOPE-HETTINGER-BOWMAN- ADAMS- 515 AM CDT SUN SEP 27 2009 /415 AM MDT SUN SEP 27 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST NORTH DAKOTA AND SOUTHWEST NORTH DAKOTA. .DAY ONE...TODAY AND TONIGHT A RED FLAG WARNING IS IN EFFECT FOR PORTIONS OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA SUNDAY AFTERNOON THROUGH SUNDAY EARLY EVENING. MINIMUM HUMIDITIES WILL RANGE FROM 20 TO 30 PERCENT WITH VERY STRONG NORTHWEST WINDS BETWEEN 30 AND 40 MPH AND GUSTS TO 50 AND 60 MPH. THE STRONG WINDS...LOW RELATIVE HUMIDITY AND DRY VEGETATION WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS TODAY...THUS A RED FLAG WARNING HAS BEEN ISSUED. HIGH WIND WARNING SOUTHWEST NORTH DAKOTA SUNDAY. A HIGH WIND WARNING IS IN EFFECT FOR SOUTHWEST NORTH DAKOTA SUNDAY MORNING THROUGH THE EARLY EVENING...INCLUDING THE CITIES OF DICKINSON...BOWMAN AND HETTINGER. A STRONG COLD FRONT WILL MOVE ACROSS WESTERN AND CENTRAL NORTH DAKOTA DURING THE EARLY MORNING HOURS ON SUNDAY. VERY STRONG NORTHWEST WINDS ARE EXPECTED TO DEVELOP BEHIND THIS FRONT SUNDAY MORNING THROUGH THE EVENING ACROSS THE AREA. EXPECT SUSTAINED WINDS OF 35 TO 40 MPH...WITH GUSTS OF 55 TO 60 MPH POSSIBLE. AREAS OF FROST WILL OCCUR TONIGHT ACROSS WESTERN NORTH DAKOTA. SOME SPOTS WILL FALL TO 32. CHECK BACK FOR UPDATES ON ANY FROST ADVISORIES AND/OR FREEZE WARNINGS THAT MAY BE ISSUED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ON TUESDAY...AN INCREASE IN SOUTHEASTERLY WINDS BETWEEN 20 AND 35 MPH ALONG WITH MINIMUM AFTERNOON HUMIDITIES OF 20 TO 30 PERCENT AND VERY HIGH TO EXTREME RANGELAND FIRE DANGER INDICES WILL ONCE AGAIN BRING A THREAT OF CRITICAL FIRE WEATHER BEHAVIOR. WILL MONITOR THIS CLOSELY AND ISSUE THE APPROPRIATE HEADLINES IF THE DATA REMAINS CONSISTENT. AREAS OF FROST WILL OCCUR AGAIN MONDAY NIGHT. THERE WILL BE A FEW SPOTS THAT WILL FALL TO 32F. A FROST ADVISORY AND/OR A FREEZE WARNING MIGHT BE ISSUED IN LATER FORECASTS. CHECK BACK FOR UPDATES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. KS
In the hours before
Local storm report, Sep 27, 1:31 PM MDT, 42 minutes before
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</html>Local storm report, Sep 27, 1:34 PM MDT, 39 minutes before
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</html>The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 27, 2:32 AM MDT | High Wind Warning | BIS | Adams, Billings, Bowman, Golden Valley, Hettinger, Slope and 1 more | 17 hr |
| Sep 27, 2:34 AM MDT | Red Flag Warning | BIS | Adams, Billings, Bowman, Dunn, Golden Valley, Grant and 5 more | 17 hr |
Nearby
Frost Advisories in North Dakota, 2009Every frost advisory 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.