Alert archive / North Dakota / Flash Flood Warnings in 1996
Flash Flood Warning 1, NWS Bismarck, ND
NWS Bismarck, ND issued this flash flood warning at Jul 17, 1996, 6:05 PM CDT for Burleigh County, Morton County, North Dakota. It was in force for 115 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1996, 6:05 PM CDT (23:05 UTC)
- Expired
- Jul 17, 1996, 8:00 PM CDT
- In force
- 115 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Burleigh County, ND, Morton County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 11.1 hours before the alert went out and 16 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
- 163 J/kg
- Mixed-layer CIN
- -333 J/kg
- Mixed-layer LCL
- 1086 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 172304 RRA FFWBIS NDC015-059-180100- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BISMARCK ND 605 PM CDT WED JUL 17 1996 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL NORTH DAKOTA ...WESTERN BURLEIGH COUNTY...EASTERN MORTON COUNTY A FLASH FLOOD WARNING IS IN EFFECT FOR WESTERN BURLEIGH AND EASTERN MORTON COUNTY UNTIL 800 PM CDT THIS EVENING. INTENSE SLOW MOVING THUNDERSTORMS WILL PRODUCE TORRENTIAL RAINS...WITH RAINFALL OF 3 INCHES OR MORE LIKELY. THE MANDAN AIRPORT REPORTED 2.10 INCHES IN LESS THAN AN HOUR ENDING AT 6PM CDT. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 17, 5:06 PM CDT, 59 minutes before
NDZ034-035-172315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 509 PM CDT (409 PM MDT) WED JUL 17 1996 ...STRONG THUNDERSTORMS MOVING INTO THE BISMARCK/MANDAN AREA... AT 500 PM CDT AN AREA OF THUNDERSTORMS WAS LOCATED 40 MILES WEST OF BISMARCK TO 10 MILES SOUTHEAST OF BISMARCK. THE STORMS WERE MOVING NORTHEAST AT 25 MPH. THE STRONGEST STORMS IN THIS AREA ARE 24 MILES SOUTHWEST OF BISMARCK AND 10 MILES SOUTHEAST OF BISMARCK. THERE HAVE BEEN NUMEROUS REPORTS OF 1 TO 2 INCHES OF RAIN RECEIVED IN LESS THAN 1 HOUR. EARLIER ST. ANTHONY REPORTED 1/2 INCH HAIL AND TORRENTIAL RAIN WHEN ONE OF THE STORMS PASSED OVERHEAD. THE BISMARCK/MANDAN AREA CAN EXPECT THE RAIN TO BEGIN BY 510 WITH STREET FLOODING AND SMALL HAIL LIKELY. A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA UNTIL 10 PM CDT/9 PM MDT. HINTZ &
Special weather statement, Jul 17, 5:51 PM CDT, 14 minutes before
NDZ034-035-172345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 553 PM CDT (453 PM MDT) WED JUL 17 1996 ...SEVERE THUNDERSTORM WARNING CONTINUES FOR WESTERN BURLEIGH AND EASTERN MORTON COUNTIES UNTIL 630 PM CDT... AT 550 PM CDT A LINE OF SEVERE THUNDERSTORMS WITH 3/4 INCH HAIL...WIND GUSTS TO 60 MPH...AND TORRENTIAL RAIN WAS MOVING INTO THE IMMEDIATE BISMARCK/MANDAN AREA. THE LINE EXTENDED TO ST ANTHONY...15 MILES SOUTH OF BISMARCK/MANDAN. FLOODING OF LOW LYING AND POOR DRAINAGE AREAS WILL OCCUR WITH THESE SEVERE STORMS. IF YOU COME TO A FLOODED ROAD...DO NOT DRIVE INTO THE WATER. REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. LIGHTNING IS A KILLER. F JP MARTIN
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 2:47 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger | 58 min |
| Jul 17, 5:23 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 67 min |
| Jul 17, 5:24 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 66 min |
Nearby
Flash Flood Warnings in North Dakota, 1996Every flash flood warning in 1996
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.