Alert archive / North Dakota / Areal Flood Warnings in 2009

Areal Flood Warning 13, NWS Bismarck, ND

March 21, 200911 counties in North Dakota

NWS Bismarck, ND issued this areal flood warning at Mar 21, 2009, 9:13 PM MDT for 11 counties in North Dakota. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 21, 2009, 9:13 PM MDT (03:13 UTC)
Expired: Mar 22, 2009, 9:41 AM MDT
In force: 12 hr
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Flood severity: None

Counties Adams County, ND, Burleigh County, ND, Dunn County, ND, Emmons County, ND, Grant County, ND, Hettinger County, ND, Mercer County, ND, Morton County, ND, Oliver County, ND, Sioux County, ND, Stark County, ND

The radar

The Bismarck radar (KBIS), 68 km from the middle of the area, began a volume at 03:17 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 00:00Z, 3.2 hours before the alert went out and 307 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: 386 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 2243 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning 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 areal flood warning went out at Mar 21, 9:01 PM MDT, 12 minutes earlier.

Area forecast discussion, Mar 21, 9:01 PM MDT, 12 minutes before

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Hazardous weather outlook, Mar 21, 3:51 PM MDT, 5 hours 22 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 21, 6:35 PM MDT	Areal Flood Warning	BIS	Adams	4 hr
Mar 22, 1:57 AM MDT	Areal Flood Advisory	BIS	Divide, McKenzie, Williams	18 days
Mar 22, 2:30 AM MDT	Areal Flood Advisory	BIS	Bottineau, Burleigh, Kidder, McHenry, Pierce, Rolette	86 days
Mar 22, 4:05 AM MDT	Wind Advisory	BIS	Bottineau, Burke, Burleigh, Dickey, Dunn, Emmons and 17 more	16 hr
Mar 22, 8:54 AM MDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Renville, Rolette, Ward	51 min
Mar 22, 9:22 AM MDT	Areal Flood Warning	BIS	Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 30 more	5 days
Mar 22, 9:33 AM MDT	Severe Thunderstorm Warning	BIS	Emmons	57 min
Mar 22, 9:48 AM MDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Renville, Rolette, Ward	57 min
Mar 22, 10:35 AM MDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Kidder, Logan	55 min
Mar 22, 10:41 AM MDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry	64 min
Mar 22, 10:50 AM MDT	River Flood Warning	BIS	Foster	71 hr
Mar 22, 10:50 AM MDT	River Flood Warning	BIS	Stutsman	35 days
Mar 22, 10:50 AM MDT	River Flood Warning	BIS	Burleigh, Morton	5 hr
Mar 22, 11:11 AM MDT	Severe Thunderstorm Warning	BIS	Kidder, LaMoure, Logan, Stutsman	19 min
Mar 22, 11:36 AM MDT	Severe Thunderstorm Warning	BIS	Foster, LaMoure, Stutsman	54 min
Mar 22, 1:29 PM MDT	Flash Flood Warning	BIS	Dickey, LaMoure	6 hr
Mar 22, 3:10 PM MDT	Flash Flood Warning	BIS	Stutsman	6 hr
Mar 22, 3:24 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley	66 min
Mar 22, 4:04 PM MDT	Blizzard Warning	BIS	Adams, Billings, Bottineau, Bowman, Burleigh, Dunn and 16 more	50 hr
Mar 22, 4:04 PM MDT	Winter Storm Watch	BIS	Foster, Kidder, Logan, McIntosh, Pierce, Rolette and 2 more	23 hr
Mar 22, 4:04 PM MDT	Winter Weather Advisory	BIS	Burke, Divide, McKenzie, Williams	42 hr
Mar 22, 4:16 PM MDT	River Flood Warning	BIS	Burleigh, Morton	4 days
Mar 22, 4:42 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Dunn	29 min

Nearby

Areal Flood Warnings in North Dakota, 2009 Every areal flood warning 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.