Alert archive / North Dakota / Flash Flood Warnings in 2011
Flash Flood Warning 46, NWS Bismarck, ND
NWS Bismarck, ND issued this flash flood warning at Aug 14, 2011, 10:14 PM CDT for Emmons County, Morton County, North Dakota. It was in force for 6 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 14, 2011, 10:14 PM CDT (03:14 UTC)
- Expired
- Aug 15, 2011, 4:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Flood severity
- None
Counties Emmons County, ND, Morton County, ND
The radar
The Bismarck radar (KBIS), 56 km from the middle of the area, began a volume at 03:14 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 14, 10:15 PM CDT | HEAVY RAIN 1.9 | 13 W Hazelton, ND | ALSO PENNY SIZED HAIL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 3.2 hours before the alert went out and 53 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
- 1399 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 1398 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 7.2
The text
As transmitted, in the capitals the NWS used until 2016.
603 WGUS53 KBIS 150314 FFWBIS NDC029-059-150900- /O.NEW.KBIS.FF.W.0046.110815T0314Z-110815T0900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BISMARCK ND 1014 PM CDT SUN AUG 14 2011 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A * FLASH FLOOD WARNING FOR... EXTREME SOUTHEASTERN MORTON COUNTY IN SOUTH CENTRAL NORTH DAKOTA... NORTHERN EMMONS COUNTY IN SOUTH CENTRAL NORTH DAKOTA... * UNTIL 400 AM CDT * AT 1009 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER RADAR HAS ESTIMATED 2 TO 4 INCHES OF RAINFALL BETWEEN FORT RICE SOUTHEAST TO THE AREA BETWEEN HAZELTON AND TEMVIK...AND SOUTHEAST TO NEAR THE LOGAN COUNTY LINE. ADDITIONAL THUNDERSTORMS MAY FORM AND MOVE OVER THIS AREA LATER TONIGHT. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN MORTON AND NORTHERN EMMONS COUNTIES... INCLUDING THE TOWNS OF FORT RICE...AND THE AREA BETWEEN HAZELTON AND TEMVIK. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. && LAT...LON 4639 9992 4624 9999 4650 10068 4664 10057 $$ ABELING
2 follow-up statements
154 WGUS73 KBIS 150430 FFSBIS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 1130 PM CDT SUN AUG 14 2011 NDC029-059-150900- /O.CON.KBIS.FF.W.0046.000000T0000Z-110815T0900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ EMMONS ND-MORTON ND- 1130 PM CDT SUN AUG 14 2011 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EXTREME SOUTHEASTERN MORTON AND NORTHERN EMMONS COUNTIES UNTIL 400 AM CDT... AT 1126 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. THUNDERSTORMS CONTINUE TO FORM AND TRACK OVER THE SAME AREA...FROM NEAR FORT RICE IN MORTON COUNTY...SOUTHEAST THROUGH NORTHERN EMMONS COUNTY...BETWEEN HAZELTON AND TEMVIK. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN MORTON AND NORTHERN EMMONS COUNTIES...INCLUDING THE TOWNS OF FORT RICE...HAZELTON AND TEMVIK. DOPPLER RADAR ESTIMATES 3 TO 5 INCHES OF RAIN MAY HAVE FALLEN IN THE AREA FROM NEAR FORT RICE TO THE AREA BETWEEN HAZELTON AND TEMVIK. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. && LAT...LON 4639 9992 4624 9999 4650 10068 4664 10057 $$ ABELING
279 WGUS73 KBIS 150905 FFSBIS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 405 AM CDT MON AUG 15 2011 NDC029-059-150920- /O.EXP.KBIS.FF.W.0046.000000T0000Z-110815T0900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ EMMONS ND-MORTON ND- 405 AM CDT MON AUG 15 2011 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EXTREME SOUTHEASTERN MORTON AND NORTHERN EMMONS COUNTIES HAS BEEN REPLACED WITH AN AERIAL FLOOD WARNING... PLEASE REFER TO THAT PRODUCT FOR DETAILS. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. LAT...LON 4639 9992 4624 9999 4650 10068 4664 10057 $$ HEINERT
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:22 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan, McIntosh | 53 min |
| Aug 14, 9:18 PM CDT | Areal Flood Advisory | BIS | Emmons, Logan, McIntosh, Morton | 6 hr |
| Aug 14, 9:30 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 51 min |
| Aug 14, 11:27 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 63 min |
| Aug 15, 12:23 AM CDT | Severe Thunderstorm Warning | BIS | Morton, Oliver | 67 min |
| Aug 15, 1:48 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 57 min |
| Aug 15, 2:44 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, McLean, Mountrail | 61 min |
| Aug 15, 3:46 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer | 59 min |
| Aug 15, 4:04 AM CDT | Areal Flood Warning | BIS | Emmons, Morton | 7 hr |
| Aug 15, 4:23 AM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 50 min |
| Aug 15, 4:46 AM CDT | Severe Thunderstorm Warning | BIS | Mercer, Oliver | 29 min |
| Aug 15, 5:10 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, McLean, Mercer, Morton, Oliver | 65 min |
| Aug 15, 8:19 AM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure | 56 min |
| Aug 15, 5:12 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Stark | 63 min |
| Aug 15, 5:23 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 67 min |
| Aug 15, 5:41 PM CDT | Tornado Warning | BIS | Dunn, Mercer, Morton, Stark | 34 min |
| Aug 15, 6:14 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer, Morton, Stark | 20 min |
| Aug 15, 6:18 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville | 38 min |
| Aug 15, 6:20 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 55 min |
Nearby
Flash Flood Warnings in North Dakota, 2011Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.