Alert archive / North Dakota / Tornado Warnings in 1993
Tornado Warning 8, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jul 3, 1993, 6:50 PM CDT for Oliver County, North Dakota. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Jul 3, 1993, 6:50 PM CDT (23:50 UTC)
- Expired
- Jul 3, 1993, 7:15 PM CDT
- In force
- 25 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Oliver County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 11.8 hours before the alert went out and 62 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
- 990 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 438 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 032351 TORBIS NDC065-040015- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BISMARCK ND 650 PM CDT SAT JUL 3 1993 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL NORTH DAKOTA ...OLIVER COUNTY AT 650 PM CDT A TORNADO WAS ON THE GROUND NEAR HANOVER...30 NORTHWEST OF BISMARCK. THIS TORNADO WAS MOVING NORTH AT 25 MPH. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. KM
What forecasters said that day
The local office's own words before this tornado 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 3, 3:21 PM CDT, 3 hours 29 minutes before
NDZ001>003-005-032120- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 315 AM CDT SAT JUL 3 1993 ...THUNDERSTORMS AND HEAVY RAINS CONTINUE OVER WESTERN NORTH DAKOTA... A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR SOUTHWEST AND NORTH CENTRAL NORTH DAKOTA... AT 315 PM CDT...OR 215 PM MDT THE WEATHER OFFICE IN WILLISTON NORTH DAKOTA HAD MEASURED AROUND 2 INCHES OF RAINFALL IN THE PAST 24 HOURS. TO THE EAST OF WILLISTON...AT LEWIS AND CLARK STATE PARK...WELL OVER 2 INCHES...AND TO THE WEST OF WILLISTON..IN TRENTON...OVER 3 INCHES OF RAIN...AND TO THE SOUTH IN GOLVA...GOLDEN VALLEY...OVER 3 INCHES. MORE RAIN AND THUNDERSTORMS ARE FORECASTED FOR TONIGHT...SO PERSONS IN LOW LYING...AND FLOOD PRONE AREAS...ALONG RIVERS AND STREAMS SHOULD REMAIN ALERT THIS EVENING FOR RISING WATER LEVELS AND POSSIBLE FLASH FLOOD WARNINGS. STAY TUNED TO YOUR LOCAL TV...OR RADIO STATION FOR THE LATEST DEVELOPMENTS...AND LISTEN FOR WATCHES...WARNINGS...AND CALLS TO ACTION. LEWIS
Special weather statement, Jul 3, 5:16 PM CDT, 1 hour 34 minutes before
NDZ003>014-032315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 515 PM CDT FRI JUL 2 1993 ...A TORNADO WATCH IN EFFECT FOR MUCH OF CENTRAL AND EASTERN NORTH DAKOTA UNTIL 11 PM CDT... AT 510 PM CDT A LINE OF THUNDERSTORMS WAS DEVELOPING IN SOUTH CENTRAL NORTH DAKOTA. THE STRONGEST THUNDERSTORMS WERE LOCATED 30 MILES SOUTHWEST OF BISMARCK NORTH OF SHIELDS...AND 55 MILES SOUTH OF BISMARCK NEAR SELFRIDGE...AND TO THE WEST NEAR GLEN ULLIN. A FUNNEL CLOUD HAS BEEN OBSERVED FROM THE THUNDERSTORM NEAR GLEN ULLEN. VERY HEAVY RAIN...HAIL AND STRONG WINDS ARE POSSIBLE FROM THESE THUNDERSTORMS. ...THE ATMOSPHERE IS VERY FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS IN CENTRAL AND EASTERN NORTH DAKOTA TONIGHT. PERSONS IN CENTRAL AND EASTERN NORTH DAKOTA SHOULD MONITOR FOR LATER WARNINGS IN THEIR AREA. VAN ESS
Special weather statement, Jul 3, 5:55 PM CDT, 55 minutes before
NDZ007-040000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 553 PM CDT SAT JUL 3 1993 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL AND EASTERN NORTH DAKOTA UNTIL 11 PM CDT... ...THUNDERSTORMS MOVING INTO THE CITIES OF BISMARCK AND MANDAN... AT 550 PM CDT AN AREA OF THUNDERSTORMS WERE MOVING INTO THE CITIES OF BISMARCK AND MANDAN. THE STONGEST THUNDERSTORM WAS LOCATED 10 MILES SOUTHWEST OF BISMARCK AND WILL IN^CLUDE VERY HEAVY RAIN DANGEROUS LIGHTNING AND POSSIBLE SMALL HAIL. THE THUNDERSTORMS WILL BE IN THE CITIES BETWEEN 6 AND 640 PM CDT. VAN ESS
Special weather statement, Jul 3, 6:35 PM CDT, 15 minutes before
NDZ003>014-040100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 635 PM CDT SAT JUL 3 1993 ...LINE OF THUNDERSTORMS DEVELOPING OVER CENTRAL NORTH DAKOTA... AT 630 PM CDT A LINE OF THUNDERSTORMS WAS DEVELOPING OVER PARTS OF CENTRAL NORTH DAKOTA. THE LINE WAS FROM SOUTHEAST MERCER COUNTY... 50 MILES NORTHWEST OF BISMARCK TO SOUTHERN MORTON COUNTY...25 MILES SOUTHWEST OF BISMARCK. THE STRONGEST STORM WAS OVER SOUTHEAST MERCER AND NORTH-CENTRAL OLIVER COUNTIES...50 MILES NORTHWEST OF BISMARCK THE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MPH. THE STRONGER THUNDERSTORMS COULD CONTAIN VERY HEAVY RAIN WHICH COULD CAUSE STREET FLOODING...HAIL AND STRONG WINDS. REMEMBER...THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PEOPLE ACROSS CENTRAL NORTH DAKOTA SHOULD TAKE SHELTER IF THE WEATHER LOOKS THREATENING. A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL NORTH DAKOTA UNTIL 11 PM CDT. KM
Nearby
Tornado Warnings in North Dakota, 1993Every tornado warning in 1993Tornadoes in 1993
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.