Alert archive / Montana / Flash Flood Warnings in 1997

Flash Flood Warning 5, NWS Billings, MT

June 5, 1997Sweet Grass County, Wheatland County, Montana

NWS Billings, MT issued this flash flood warning at Jun 5, 1997, 10:25 PM MDT for Sweet Grass County, Wheatland County, Montana. It was in force for 4 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: Jun 5, 1997, 10:25 PM MDT (04:25 UTC)
Expired: Jun 6, 1997, 2:25 AM MDT
In force: 4 hr
Issued by: NWS Billings, MT
Area: Whole counties

Counties Sweet Grass County, MT, Wheatland County, MT

The radar

The Billings radar (KBLX), 104 km from the middle of the area, began a volume at 04:25 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

Great_falls, MT (KTFX), launched 00:00Z, 4.4 hours before the alert went out and 156 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: 30 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 1272 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -71 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

NWS Billings, MT wrote its last area forecast discussion before this flash flood warning went out at Jun 5, 8:22 PM MDT, 2 hours 3 minutes earlier.

Area forecast discussion, Jun 5, 8:22 PM MDT, 2 hours 3 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
800 PM MDT THU JUN 05 1997

VERY BUSY WITH SEVERE WEATHER...HYDRO...AND CURRENT FORECAST LOOKS TO
BE GOOD. NO CHANGES TO WORK ZONES.  RASCH

BIL TB 055/080 055/083 057 564342
LVM .. 053/080 053/082 ... 565353
HDN .. 052/082 055/085 ... 564342
MLS .. 059/084 062/088 ... 562232
4BQ .. 054/083 058/088 ... 562232
BHK .. 056/080 058/084 ... 562232
SHR TB 051/078 053/081 055 564342

In the hours before

Local storm report, Jun 5, 10:20 PM MDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BILLINGS MT
1020 PM MDT THU JUN 5 1997

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0720 PM    5S MCLEOD                 MT   HEAVY RAIN
06/05/97   SWEET GRASS                    3 INCHES OF RAIN IN 30
                                          MINUTES

0MDT PM    5S MCLEOD                 MT   0.75 INCH HAIL
06/05/97   SWEET GRASS

0MDT PM    HARLOWTON                 MT   0.75 INCH HAIL
06/05/97   WHEATLAND

0MDT PM    HARLOWTON                 MT   1.00 INCH HAIL
06/05/97   WHEATLAND

0MDT PM    HARLOWTON                 MT   HEAVY RAIN
06/05/97   WHEATLAND                      4.5 INCHES OF RAIN IN 30
                                          MINUTES

0MDT PM    10S MCLEOD                MT   FLASH FLOOD
06/05/97   SWEET GRASS                    FLASH FLOOD REPORTED 10
                                          MILES SOUTH OF MCLEOD

0MDT PM    8SSE JUDITH GAP           MT   TORNADO
06/05/97   WHEATLAND                      TORNADO ON GROUND 8 MILES
                                          SSE OF JUDITH GAP ON
                                          GROUND FOR APPROXIMATELY
                                          15 MINUTES

0MDT PM    5E BIG TIMBER             MT   0.75 INCH HAIL
06/05/97   SWEET GRASS

RASCH

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 5, 7:20 PM MDT	Severe Thunderstorm Warning	BYZ	Wheatland	65 min
Jun 5, 7:26 PM MDT	Severe Thunderstorm Warning	BYZ	Sweet Grass	64 min
Jun 5, 8:00 PM MDT	Tornado Warning	BYZ	Wheatland	35 min
Jun 5, 8:11 PM MDT	Flash Flood Warning	BYZ	Sweet Grass	4 hr
Jun 5, 8:16 PM MDT	Flash Flood Warning	BYZ	Wheatland	3 hr
Jun 5, 8:18 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Musselshell	62 min
Jun 5, 8:28 PM MDT	Severe Thunderstorm Warning	BYZ	Sweet Grass	62 min
Jun 5, 8:45 PM MDT	Tornado Warning	BYZ	Musselshell	35 min
Jun 5, 9:23 PM MDT	Severe Thunderstorm Warning	BYZ	Musselshell	62 min
Jun 5, 9:34 PM MDT	Severe Thunderstorm Warning	BYZ	Sweet Grass	61 min
Jun 5, 10:32 PM MDT	Severe Thunderstorm Warning	BYZ	Musselshell	33 min
Jun 5, 10:50 PM MDT	Flash Flood Warning	BYZ	Musselshell	4 hr
Jun 5, 11:10 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Musselshell	65 min
Jun 6, 12:03 AM MDT	Flash Flood Warning	BYZ	Musselshell, Yellowstone	117 min
Jun 6, 12:53 AM MDT	Flash Flood Warning	BYZ	Rosebud	117 min
Jun 6, 5:08 PM MDT	Severe Thunderstorm Warning	BYZ	Carbon	62 min

Nearby

Flash Flood Warnings in Montana, 1997 Every flash flood warning in 1997

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.