Alert archive / Montana / Flash Flood Warnings in 2011

Flash Flood Warning 10, NWS Glasgow, MT

June 7, 20114 counties in Montana

NWS Glasgow, MT issued this flash flood warning at Jun 7, 2011, 11:51 AM MDT for 4 counties in Montana. It was in force for 9 hr. 20 reports 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
Jun 7, 2011, 11:51 AM MDT (17:51 UTC)
Expired
Jun 7, 2011, 8:25 PM MDT
In force
9 hr
Issued by
NWS Glasgow, MT
Area
Storm-based polygon
Flood severity
None

Counties Garfield County, MT, Petroleum County, MT, Phillips County, MT, Valley County, MT

The radar

The Glasgow radar (KGGW), 94 km from the middle of the area, began a volume at 17:54 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

TimeReportWhereRemark
Jun 7, 12:30 PM MDTFLASH FLOOD10 W Glasgow, MTBILLINSLEY ROAD NEAR ANTELOPE CREEK IS CLOSED. WATER IS RUNNING OVER THE ROAD.
Jun 7, 12:30 PM MDTHEAVY RAIN 2.8Glasgow, MTRAINFALL TOTAL SINCE 1030PM. THIS RAIN ESTIMATE MAY BE HIGH DUE TO WINDS AND ITS LOCATION.
Jun 7, 12:31 PM MDTHEAVY RAIN 2.3910 W Glasgow, MTSTORM TOTAL SINCE LAST NIGHT. STILL RAINING.
Jun 7, 1:30 PM MDTHEAVY RAIN 2.13Ese Glasgow, MTRAINFALL TOTAL SINCE YESTERDAY AFTERNOON. STILL RAINING.
Jun 7, 1:49 PM MDTHEAVY RAIN 2.9Tampico, MTSTORM TOTAL AS OF THIS AFTERNOON. SINCE 8AM 1.5 INCHES FELL. RAIN IS STILL FALLING.
Jun 7, 3:00 PM MDTHEAVY RAIN 1.28Malta, MTSTORM TOTAL RAINFALL
Jun 7, 3:20 PM MDTFLASH FLOODGlasgow, MTWATER IS OVER THE ROAD ON ROOSEVELT TRAIL BETWEEN HIGHWAY 24 AND LINDELL ROAD.
Jun 7, 3:30 PM MDTFLASH FLOOD1 Nw Glasgow, MTWATER FROM CHERRY CREEK IS NOW FLOODING BASEMENTS. WATER IS 3 TO 4 INCHES UP ONTO THE FOUNDATION.
Jun 7, 3:30 PM MDTHEAVY RAIN 2.65 Se Saco, MTSTORM TOTAL NEAR THE LARB CREEK BRIDGE. BJORNBERG BRIDGE HAS A STORM TOTAL OF 1.6 INCHES. WATER IS POURING OUT OF THE HILLS INTO THE FIELDS.
Jun 7, 3:40 PM MDTHEAVY RAIN 2.955 Sw Hinsdale, MTSTORM TOTAL SINCE LAST NIGHT. SPRINKLES ARE FALLING.
Jun 7, 4:00 PM MDTHEAVY RAIN 2.35Saint Marie, MTSTORM TOTAL RAINFALL
Jun 7, 4:30 PM MDTHEAVY RAIN 2.755 Sse Tampico, MTSTORM TOTAL. ANTELOPE CREEK IS RUNNING OVER BILLINGSLEY ROAD.
Jun 7, 4:48 PM MDTHEAVY RAIN 2.464 Nw Glasgow, MTTOTAL RAINFALL SINCE LAST NIGHT. RAIN HAS STOPPED.
Jun 7, 4:55 PM MDTHEAVY RAIN 1.5Nashua, MTSTORM TOTAL RAINFALL
Jun 7, 5:47 PM MDTFLASH FLOOD2 W Glasgow, MTCHERRY CREEK IS BEGINNING TO FLOOD SOME HOMES ALONG SKYLARK ROAD IN GLASGOW. THE SUNNYSIDE GOLF COURSE IS UNDER WATER. FLOOD WATERS HAVE REACHED THE EDGE OF US HIGHWAY 2 ON THE WEST SIDE OF GLASGOW. MARTIN COULEE ROAD IS FLOODED.
Jun 7, 6:36 PM MDTFLASH FLOOD1 W Whitewater, MT6 TO 7 INCHES OF WATER OVER ROADWAY IN WHITEWATER. WATER IS RECEDING AT 630 PM.
Jun 7, 7:20 PM MDTHEAVY RAIN 1.51 Se Zortman, MTSTORM TOTAL RAINFALL
Jun 7, 7:27 PM MDTHEAVY RAIN 1.43Dodson, MTSTORM TOTAL RAINFALL
Jun 7, 7:27 PM MDTHEAVY RAIN 2.89 Sse Opheim, MTSTORM TOTAL RAINFALL
Jun 7, 7:42 PM MDTHEAVY RAIN 2.5Ssw Opheim, MTSTORM TOTAL RAINFALL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 5 storm reports to this flash flood warning; the first came 39 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 5.9 hours before the alert went out and 96 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-pSkew-T log-p diagram, Glasgow Intl Airport, MT at 12:00Z on 2011-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Glasgow Intl Airport, MT at 12:00Z on 2011-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 416 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
416 m²/s²
0-3 km storm-relative helicity
501 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

149 
WGUS55 KGGW 071751
FFWGGW
MTC033-069-071-105-072045-
/O.NEW.KGGW.FF.W.0010.110607T1751Z-110607T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GLASGOW MT
1151 AM MDT TUE JUN 7 2011

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN PETROLEUM COUNTY IN NORTHEAST MONTANA...
  NORTHWESTERN GARFIELD COUNTY IN NORTHEAST MONTANA...
  PHILLIPS COUNTY IN NORTHEAST MONTANA...
  VALLEY COUNTY IN NORTHEAST MONTANA...

* UNTIL 245 PM MDT.

* AT 1140 AM MDT...THE PUBLIC REPORTED WIDESREAPD FLASH FLOODING     
  FROM THUNDERSTORMS OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING                           
INCLUDE...                                                           
                                           
OPHEIM...MALTA...GLASGOW...MALTA...DODSON...HINSDALE...TAMPICO...SACO
...AND SAINT MARIE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

&&

LAT...LON 4793 10888 4793 10864 4800 10861 4798 10845
      4844 10842 4844 10835 4874 10833 4875 10827
      4901 10823 4900 10614 4809 10624 4804 10630
      4805 10641 4796 10641 4763 10685 4741 10781
      4739 10832 4757 10832 4764 10877 4774 10890

$$

SIMONSEN
WEATHER.GOV/GLASGOW
5 follow-up statements
286 
WGUS75 KGGW 071826
FFSGGW

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
1226 PM MDT TUE JUN 7 2011

MTC033-069-071-105-072045-
/O.CON.KGGW.FF.W.0010.000000T0000Z-110607T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GARFIELD-PETROLEUM-PHILLIPS-VALLEY-
1226 PM MDT TUE JUN 7 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM MDT FOR 
VALLEY...PHILLIPS...NORTHEASTERN PETROLEUM...AND NORTHWESTERN 
GARFIELD COUNTIES...

AT 1213 PM MDT...THE PUBLIC REPORTED THUNDERSTORMS PRODUCING 
WIDESPREAD FLASH FLOODING OVER THE WARNED AREA. PART OF THIS HEAVY 
RAIN AREA HAS ALMOST STALLED IN MOVEMENT...WHILE OTHER THUNDERSTORMS 
WITH HEAVY RAIN ARE ALSO APPROACHING FROM THE EAST.

LOCATIONS IN THE WARNING INCLUDE...
  WHITEWATER...TAMPICO...SAINT MARIE...SACO...PORT OF OPHEIM...PORT
  OF MORGAN...OPHEIM...NASHUA...MALTA...LORING...HINSDALE...GLASGOW
  AND DODSON.

SMALL STREAMS AND CREEKS INCLUDED IN THIS WARNING...
  
ANTELOPE...CHERRY...BRAZIL...WILLOW...BEAR...BUGGY...ROCK...LARB...
AND BEAVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

&&

LAT...LON 4793 10888 4793 10864 4800 10861 4798 10845
      4844 10842 4844 10835 4874 10833 4875 10827
      4901 10823 4900 10614 4809 10624 4804 10630
      4805 10641 4796 10641 4763 10685 4741 10781
      4739 10832 4757 10832 4764 10877 4774 10890

$$

SIMONSEN
WEATHER.GOV/GLASGOW
624 
WGUS55 KGGW 071950
FFWGGW
MTC033-069-071-105-080245-
/O.EXT.KGGW.FF.W.0010.000000T0000Z-110608T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GLASGOW MT
150 PM MDT TUE JUN 7 2011

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN PETROLEUM COUNTY IN NORTHEAST MONTANA...
  NORTHWESTERN GARFIELD COUNTY IN NORTHEAST MONTANA...
  PHILLIPS COUNTY IN NORTHEAST MONTANA...
  VALLEY COUNTY IN NORTHEAST MONTANA...

* UNTIL 845 PM MDT.

* AT 135 PM MDT...THE PUBLIC REPORTED FLASH FLOODING FROM A   
THUNDERSTORM OVER THE WARNED AREA. 

A SUBSTANTIAL RISE IS STILL EXPECTED ON LOWER CHERRY CREEK. AT 100 
PM A TRAINED WEATHER SPOTTER REPORTED THREE FEET OF WATER GOING OVER 
THE TOP OF THE CONCRETE BRIDGE ON CHERRY VALLEY ROAD NORTH OF 
GLASGOW. FURTHER DOWNSTREAM RISES WERE NOTED IN THE VICINITY OF THE 
SUNNY SIDE GOLF COURSE. FLOODING OF NEARBY GOLF SHEDS AND LOW LYING 
HOUSES IS LIKELY OVER THE NEXT 12 TO 24 HOURS AS CHERRY CREEK RISES 
OUT OF ITS BANKS. 

ANTELOPE CREEK IS ALSO FLOODING...FORCING THE CLOSURE OF BILLINGSLEY 
ROAD WEST OF GLASGOW. FLOODING OF LOW LYING HOUSES AND OUT BUILDINGS 
WAS ALSO REPORTED. 

NATIONAL WEATHER SERVICE DOPPLER RADAR ALSO INDICATED THAT FLOODING 
WAS LIKELY ON WILLOW...BRAZIL...BEAR...BUGGY...LARB...AND BEAVER 
CREEKS IN PHILLIPS AND VALLEY COUNTIES.

DOPPLER RADAR ALSO INDICATED THAT THE UL BEND AND NEARBY AREAS WERE 
ALSO LIKELY SEEING FLOODING. 

* LOCATIONS IN THE WARNING INCLUDE...
  WHITEWATER...TAMPICO...SAINT MARIE...SACO...PORT OF OPHEIM...PORT
  OF MORGAN...OPHEIM...NASHUA...MALTA...LORING...HINSDALE...GLASGOW
  AND DODSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

&&

LAT...LON 4793 10888 4793 10864 4800 10861 4798 10845
      4844 10842 4844 10835 4874 10833 4875 10827
      4901 10823 4900 10614 4809 10624 4804 10630
      4805 10641 4796 10641 4763 10685 4741 10781
      4739 10832 4757 10832 4764 10877 4774 10890

$$

GILCHRIST
WEATHER.GOV/GLASGOW
231 
WGUS75 KGGW 080043
FFSGGW

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
643 PM MDT TUE JUN 7 2011

MTC033-069-071-105-080245-
/O.CON.KGGW.FF.W.0010.000000T0000Z-110608T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GARFIELD-PETROLEUM-PHILLIPS-VALLEY-
643 PM MDT TUE JUN 7 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM MDT FOR
VALLEY...SOUTHERN PHILLIPS...NORTHEASTERN PETROLEUM AND NORTHWESTERN
GARFIELD COUNTIES...

AT 640 PM MDT...TRAINED WEATHER SPOTTERS AND NATIONAL WEATHER 
SERVICE EMPLOYEES REPORTED CHERRY CREEK IS FLOODING HOMES ALONG 
SKYLARK ROAD IN GLASGOW MONTANA. MARTIN COULEE ROAD IS UNDER WATER 
IN GLASGOW. 

OTHER AREA CREEKS REMAIN OUT OF THERE BANKS AND CONTINUE FLOODING 
LOW LYING AREAS ACROSS THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE...
  TAMPICO...SAINT MARIE...PORT OF OPHEIM...OPHEIM...NASHUA...HINSDALE
  AND GLASGOW.

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.

&&

LAT...LON 4793 10886 4793 10863 4782 10824 4782 10786
      4792 10741 4822 10738 4852 10718 4900 10716
      4900 10614 4809 10624 4804 10630 4805 10641
      4796 10641 4763 10685 4741 10781 4739 10832
      4758 10832 4764 10877 4774 10890

$$

PROTON
WEATHER.GOV/GLASGOW
333 
WGUS75 KGGW 080157
FFSGGW

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
757 PM MDT TUE JUN 7 2011

MTC033-069-071-080206-
/O.CAN.KGGW.FF.W.0010.000000T0000Z-110608T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GARFIELD-PETROLEUM-PHILLIPS-
757 PM MDT TUE JUN 7 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN
PHILLIPS...NORTHEASTERN PETROLEUM AND NORTHWESTERN GARFIELD
COUNTIES...

LAT...LON 4808 10659 4838 10690 4842 10654 4818 10644

$$

MTC105-080245-
/O.CON.KGGW.FF.W.0010.000000T0000Z-110608T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VALLEY-
757 PM MDT TUE JUN 7 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM MDT FOR
CENTRAL VALLEY COUNTY...

AT 754 PM MDT...NWS EMPLOYEES AND TRAINED SPOTTERS REPORT CHERRY 
CREEK NEAR GLASGOW REMAINS OUT OF ITS BANKS AND FLOODING HOMES ALONG 
SKYLARK ROAD. 

LOCATIONS IN THE WARNING INCLUDE...
  GLASGOW.

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.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 4808 10659 4838 10690 4842 10654 4818 10644

$$

PROTON
WEATHER.GOV/GLASGOW
957 
WGUS75 KGGW 080225
FFSGGW

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
825 PM MDT TUE JUN 7 2011

MTC105-080234-
/O.CAN.KGGW.FF.W.0010.000000T0000Z-110608T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VALLEY-
825 PM MDT TUE JUN 7 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL VALLEY
COUNTY...

THE THREAT OF FLASH FLOODING HAS PASSED ON CHERRY CHECK WEST OF 
GLASGOW THIS EVENING. HOWEVER FLOODING WILL CONTINUE ACROSS THE AREA 
OF LOW LYING AREAS AND SOME ROADWAYS.

LAT...LON 4808 10659 4838 10690 4842 10654 4818 10644

$$

PROTON
WEATHER.GOV/GLASGOW

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 Glasgow, MT wrote its last area forecast discussion before this flash flood warning went out at Jun 7, 10:20 AM MDT, 1 hour 31 minutes earlier.

Area forecast discussion, Jun 7, 10:20 AM MDT, 1 hour 31 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
1020 AM MDT TUE JUN 7 2011

.SHORT TERM...FOR NORTHEAST MONTANA...TODAY...
SLOW-MOVING NEAR-VERTICAL CLOSED LOW PRESSURE SYSTEM MOVING E
ACROSS NE MT TODAY. STORM TOTAL RAINFALLS UP TO 2 INCHES REPORTED.
SATELLITE CHANNELS ARE SHOWING A MAJOR DRY SLOT INTO OUR E...BUT
EXPECT THIS TO FILL IN WITH WIDESPREAD SHOWERS. 12Z KGGW SOUNDING
SHOWED A VERY MOIST ATMOSPHERE...BUT SURPRISINGLY NOT
UNSTABLE...SO THUNDERSTORMS APPEARING TO BE DYNAMICALLY DRIVEN BY
STRONG UPPER CIRCULATION. VERY STRONG WINDS WITH THE COMBINATION
OF CONVECTION AND VERY TIGHT LOW-LEVEL PRESSURE GRADIENTS...GUST
TO 54 MPH IN GLASGOW. THIS SHOWN WELL ON THE 88D VWP. NO UPDATES.
SIMONSEN

PREVIOUS SHORT TERM...FOR NORTHEAST MONTANA...TODAY THROUGH
THURSDAY...MORE SIGNIFICANT RAINFALL POSSIBLE TODAY AS STACKED LOW
MOVES THROUGH EASTERN MONTANA AND NORTH DAKOTA. THE SURFACE LOW
CURRENTLY IN SE MONTANA WILL MOVE TO NORTH DAKOTA WHILE THE UPPER
LOW TRACKS ALONG THE YELLOWSTONE RIVER TODAY. MORE HEAVY RAIN WILL
FALL NORTH OF THE LOW TRACK ON TOP OF THE INCH OR SO OF RAIN THAT
FELL OVERNIGHT. THIS RAIN WILL ADD TO THE FLOODING ALREADY IN
PLACE AND FLOOD NEW AREAS. ALSO...LOOK FOR STRONG NORTH TO
NORTHEAST WINDS WITH SPEEDS CLOSE TO WARNING CRITERIA THIS
MORNING. WILL HOLD OFF ON ISSUING A HIGH WIND WARNING AT THIS
TIME. WILL MAINTAIN LAKE WIND ADVISORY. THE SE ZONES WILL SEE DRY
SLOTTING AT TIMES TODAY REDUCING THE AMOUNT OF RAINFALL THAT
OCCURS THERE.

THE STORM SYSTEM WILL MOVE TO THE EAST TONIGHT ALLOWING THE
SHOWERS TO DIMINISH FROM WEST TO EAST. WITH HIGH PRESSURE MOVING
INTO THE REGION TONIGHT...WINDS WILL DROP OFF ALLOW THE LAKE WIND
ADVISORY TO END BY WEDNESDAY MORNING.

HIGH PRESSURE WILL KEEP WEDNESDAY DRY FOR THE MOST PART WITH LIGHT
WINDS. A SHORTWAVE MOVING THROUGH SOUTHEAST MONTANA IN THE
AFTERNOON COULD BRING A SHOWER TO PARTS OF THE AREA. WILL MENTION
A SLIGHT CHANCE FOR NOW.

THE NEXT UPPER TROUGH MOVES ACROSS MONTANA WEDNESDAY NIGHT AND
THURSDAY. MODELS DIFFER SOMEWHAT ON HOW MUCH OF THE FORECAST AREA
WILL SEE RAIN FROM THIS SYSTEM. THEY HAVE BETTER CHANCES OF RAIN
SOUTH OF THE MISSOURI RIVER THAN TO THE NORTH AT THIS TIME. WILL
FOCUS THE HIGHER CHANCES OF SHOWERS AND THUNDERSTORMS TO THE
SOUTH. FORRESTER

.LONG TERM...THURSDAY NIGHT THROUGH TUESDAY...

THE EXTENDED PERIOD BEGINS THURSDAY EVENING WITH THE AREA UNDER
AN UPPER LEVEL SHORTWAVE TROUGH WHICH WILL CONTINUE THE CHANCE OF
RAIN SHOWERS. THEN FRIDAY A NARROW UPPER RIDGE WILL BRING CUT OFF
MOST SHOWER ACTIVITY. THERE IS SOME DISAGREEMENT HERE BETWEEN THE
GFS AND EC WITH THE GFS MOVING EAST QUICKER. THE EC HANGS ONTO THE
TROUGH FOR OUR EASTERN ZONES A WHILE LONGER.

BOTH MODELS BRING IN THE NEXT UPPER TROUGH FROM THE PACNW...BUT
TIMING ISSUES CONTINUE. THE PERIOD THROUGH SATURDAY LOOKS SHOWERY.
THEN SATURDAY NIGHT AND SUNDAY A COLD FRONT SHOULD INCREASE THE
CHANCE FOR RAIN . THEN ANOTHER SHORTWAVE TROUGH DROPS INTO THE
PACNW SUNDAY NIGHT. AS THIS STORM SYSTEM DROPS FARTHER SOUTH
MONDAY THE BASE OF THE TROUGH PICKS UP PACIFIC MOISTURE AND
DIRECTS IT NORTH INTO MONTANA WHICH COULD PRODUCE MORE PERIODS OF
HEAVY RAIN.

WITH GENERAL AND PERPETUAL TROUGHINESS PROGGED TO PERSIST OVER THE
NORTHERN ROCKIES AND NORTHERN HIGH PLAINS THROUGHOUT THE ENTIRE
LONG TERM FORECAST PERIOD...OVERALL THE PERIOD WILL BE CONTINUED
WET WITH SEASONAL OR SLIGHTLY COOLER THAN NORMAL TEMPERATURES.
CONVECTIVE PARAMETERS ALSO SUGGEST ALL PERIODS OF RAIN SHOWERS
WILL BE ACCOMPANIED WITH SOME THUNDERSTORMS. WITH NONE OF THE LOWS
STACKING UP AND NO RAPID SURFACE PRESSURE FALLS...EXPECT NO STRONG
WINDS DURING THE PERIOD EXCEPT NEAR ANY THUNDERSTORMS THAT MIGHT
DEVELOP. SCT

&&

.AVIATION...
THE REMAINDER OF THE STRONG STORM SYSTEM WILL MOVE OVER THE AREA
TODAY BRINGING WIDESPREAD RAIN...ADDITIONAL ISOLATED THUNDERSTORMS
AND STRONG EASTERLY TO NORTHEASTERLY WINDS OF AROUND 25G35KTS. THE
STORM WILL MOVE OUT OF THE AREA LATER TONIGHT WHICH WILL DIMINISH
WINDS AND TAPER OFF THE RAIN. EXPECT CONDITIONS LESS THAN VFR AT
TIMES AND UPDATES THROUGHOUT THE DAY TO THE TAFS BASED ON STORM
CONDITIONS. SCT/BLM

&&

.HYDROLOGY...
FOR THE MILK AND MUSSELSHELL BASINS...EXPECT ONGOING FLOODING OF
MAIN STEM RIVERS AND SMALLER STREAMS AND CREEKS DUE TO CONTINUED
RUNOFF FROM RECENT AND EXPECTED HEAVY RAIN AND MOUNTAIN SNOW MELT.
FLOOD WARNINGS ARE IN EFFECT.

THE MISSOURI RIVER BELOW FORT PECK DAM WILL SEE A SUBSTANTIAL RISE
IN WATER LEVELS EARLY THIS WEEK DUE TO INCREASING AMOUNTS OF WATER
BEING RELEASED FROM THE FORT PECK RESERVOIR. A FLOOD WARNING IS
NOW IN EFFECT FOR THIS AREA.

WIDESPREAD HEAVY RAIN WILL CONTINUE TO IMPACT THE AREA TODAY
WHICH WILL MAINTAIN THE CURRENT FLOODING AND CREATE NEW FLOODING
IN SOME AREAS DEPENDING ON HOW MUCH RAIN FALLS.

&&

.GLASGOW WATCHES/WARNINGS/ADVISORIES...
LAKE WIND ADVISORY UNTIL 6 AM MDT WEDNESDAY FOR FORT PECK LAKE.

&&

WEATHER.GOV/GLASGOW
Hazardous weather outlook, Jun 7, 4:09 AM MDT, 7 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GLASGOW MT
409 AM MDT TUE JUN 7 2011

MTZ016-017-059>061-081015-
CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-
NORTHERN PHILLIPS-SOUTHWEST PHILLIPS-NORTHERN VALLEY-
409 AM MDT TUE JUN 7 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

FLOODING CONTINUES ON SMALL STREAMS IN VALLEY AND PHILLIPS
COUNTIES...AND ALONG THE MILK RIVER FROM JUST BELOW SACO TO THE
CONFLUENCE WITH THE MISSOURI RIVER. NEW FLOODING IS EXPECTED ON
THE MILK RIVER NEAR DODSON TODAY OR TONIGHT.

FLOODING IS EXPECTED ON THE MISSOURI RIVER AS THE ARMY CORPS OF
ENGINEERS INCREASE RELEASES FROM FORT PECK RESERVOIR. THEREFORE A
FLOOD WARNING IS IN EFFECT ON THE MISSOURI RIVER FROM DOWNSTREAM
OF FORT PECK DAM THROUGH THE NORTH DAKOTA BORDER.

A STORM SYSTEM MOVING OVER THE AREA TODAY WILL BRING STRONG NORTH
TO NORTHEAST WINDS AND HEAVY RAINS. A LAKE WIND ADVISORY FOR FORT
PECK LAKE REMAINS IN EFFECT. THE WIDESPREAD RAIN IMPACTING THE
AREA TODAY WILL MAINTAIN THE CURRENT FLOODING AND CREATE NEW
FLOODING IN SOME AREAS DEPENDING ON HOW MUCH RAIN FALLS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

FLOODING WILL PERSIST ON NUMEROUS STREAMS FOR THE FORESEEABLE
FUTURE.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ021-022-081015-
PETROLEUM-GARFIELD-
409 AM MDT TUE JUN 7 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

FLOODING WILL CONTINUE ALONG THE MUSSELSHELL RIVER AND SOME SMALL
STREAMS THROUGH THE WEEK.

A STORM SYSTEM MOVING OVER THE AREA TODAY WILL BRING STRONG NORTH
WINDS AND HEAVY RAINS. A LAKE WIND ADVISORY FOR FORT PECK LAKE
REMAINS IN EFFECT. THE WIDESPREAD RAIN IMPACTING THE AREA TODAY WILL
MAINTAIN THE CURRENT FLOODING AND CREATE NEW FLOODING IN SOME
AREAS DEPENDING ON HOW MUCH RAIN FALLS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

FLOODING WILL PERSIST ON NUMEROUS STREAMS FOR THE FORESEEABLE
FUTURE.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ020-023-024-062-081015-
WESTERN ROOSEVELT-MCCONE-RICHLAND-EASTERN ROOSEVELT-
409 AM MDT TUE JUN 7 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

FLOODING IS EXPECTED ON THE MISSOURI RIVER AS THE ARMY CORPS OF
ENGINEERS INCREASE RELEASES FROM FORT PECK RESERVOIR. THEREFORE... A
FLOOD WARNING IS IN EFFECT ON THE MISSOURI RIVER FROM DOWNSTREAM
OF FORT PECK DAM THROUGH THE NORTH DAKOTA BORDER.

A STORM SYSTEM MOVING OVER THE AREA TODAY WILL BRING STRONG NORTHEAST
WINDS AND HEAVY RAINS. A LAKE WIND ADVISORY FOR FORT PECK LAKE
REMAINS IN EFFECT. THE WIDESPREAD RAIN IMPACTING THE AREA TODAY WILL
MAINTAIN THE CURRENT FLOODING AND CREATE NEW FLOODING IN SOME
AREAS DEPENDING ON HOW MUCH RAIN FALLS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

FLOODING WILL CONTINUE ON THE MISSOURI RIVER FOR THE FORESEEABLE
FUTURE.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ018-019-081015-
DANIELS-SHERIDAN-
409 AM MDT TUE JUN 7 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

A STORM SYSTEM MOVING OVER THE AREA TODAY WILL BRING STRONG
NORTHEAST WINDS AND HEAVY RAINS. A LAKE WIND ADVISORY FOR FORT
PECK LAKE REMAINS IN EFFECT. THE WIDESPREAD RAIN IMPACTING THE
AREA TODAY MAY CREATE NEW FLOODING IN SOME AREAS DEPENDING ON
HOW MUCH RAIN FALLS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ025>027-081015-
DAWSON-PRAIRIE-WIBAUX-
409 AM MDT TUE JUN 7 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

A STORM SYSTEM MOVING OVER THE AREA TODAY WILL BRING STRONG
WINDS AND THUNDERSTORMS...SOME MAY HAVE HEAVY RAIN. THE
WIDESPREAD RAIN IMPACTING THE AREA TODAY MAY CREATE NEW FLOODING
IN SOME AREAS DEPENDING ON HOW MUCH RAIN FALLS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Jun 7, 8:21 AM MDT, 3 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
821 AM MDT TUE JUN 07 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0312 AM     TSTM WND GST     8 ENE FRAZER            48.10N 105.88W
06/07/2011  M65 MPH          VALLEY             MT   COCORAHS

            MEASURED 65 MPH WIND SPEED GUST AT 312 AM. 0.46 INCHES OF
            PRECIP.

&&

RMORGAN
Special weather statement, Jun 7, 9:24 AM MDT, 2 hours 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
924 AM MDT TUE JUN 7 2011

MTZ017-022-071630-
GARFIELD-VALLEY-
924 AM MDT TUE JUN 7 2011

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHERN VALLEY COUNTY IN NORTHEAST MONTANA...
  NORTHERN GARFIELD COUNTY IN NORTHEAST MONTANA...

UNTIL 1030 AM MDT.

AT 919 AM MDT...THE PUBLIC REPORTED STRONG THUNDERSTORMS ALONG A LINE
EXTENDING FROM 7 MILES SOUTHEAST OF SAINT MARIE TO 10 MILES SOUTH OF
THE PINES REC AREA...AND MOVING WEST AT 5 MPH.

PEA-SIZED HAIL AND WIND GUSTS UP TO 55 MPH HAVE BEEN REPORTED WITH
THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS
LIGHTNING.

LOCATIONS IN THE ADVISORY INCLUDE...
   SAINT MARIE...
   GLASGOW...

LAT...LON 4806 10639 4804 10642 4801 10642 4772 10656
      4773 10720 4846 10677 4846 10619
TIME...MOT...LOC 1523Z 090DEG 5KT 4834 10643 4769 10668

BLM
WEATHER.GOV/GLASGOW
Local storm report, Jun 7, 10:04 AM MDT, 1 hour 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
1004 AM MDT TUE JUN 07 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0910 AM     HEAVY RAIN       5 SSE GLASGOW           48.13N 106.59W
06/07/2011  M1.38 INCH       VALLEY             MT   TRAINED SPOTTER

            RAINFALL SINCE LAST NIGHT THROUGH 7AM. RAINING VERY HARD
            THAT THE ROAD CAN NOT BE SEEN.

0920 AM     HEAVY RAIN       GLASGOW                 48.20N 106.64W
06/07/2011  U0.00 INCH       VALLEY             MT   NWS EMPLOYEE

            THE DECK IS COVERED IN PEA SIZED HAIL. THE YARD HAS 5 TO
            8 INCHES OF WATER COVERING IT. THE STREETS AND SIDEWALKS
            ARE FLOODING.

0925 AM     HEAVY RAIN       GLASGOW                 48.20N 106.64W
06/07/2011  U0.00 INCH       VALLEY             MT   NWS EMPLOYEE

            HEAVY RAIN HAS KNOCKED OUT THE POWER TO MOST OF THE TOWN.

0930 AM     HEAVY RAIN       GLASGOW                 48.20N 106.64W
06/07/2011  U0.00 INCH       VALLEY             MT   NWS EMPLOYEE

            HIGHWAY 2 HAS 4 TO 5 INCHES OF WATER RUNNING OVER IT.
            MOST ROADS IN TOWN ARE FLOODED WITH SOME UP TO 1 FOOT
            DEEP. THE RAILROAD UNDERPASS IS FLOODED AND HAS BEEN
            CLOSED OFF BY LAW ENFORCEMENT.

0940 AM     HEAVY RAIN       GLASGOW                 48.20N 106.64W
06/07/2011  U0.00 INCH       VALLEY             MT   NWS EMPLOYEE

            KAMPFER DRIVE IS FLOODED. KAMPFER CREEK IS SUBSTANTIALLY
            FLOODING. THERE IS STANDING WATER NEAR THE FISH AND GAME
            BUILDING.

&&

ASCHNETZ
Local storm report, Jun 7, 11:00 AM MDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
1100 AM MDT TUE JUN 07 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1012 AM     TSTM WND DMG     28 N FRAZER             48.46N 106.04W
06/07/2011                   VALLEY             MT   PUBLIC

            WINDS ESTIMATED AROUND 50 MPH AFTER MIDNIGHT. DIME SIZED
            HAIL FELL FOR ABOUT 3 MINUTES. A TALL HEALTHY COTTONWOOD
            TREE WAS UPROOTED OVER NIGHT.

1050 AM     HEAVY RAIN       S WAGNER                48.37N 108.08W
06/07/2011  E1.50 INCH       PHILLIPS           MT   PUBLIC

            STORM TOTAL RAINFALL SINCE LAST NIGHT. CURRENTLY POURING
            RAIN.

&&

ASCHNETZ
Local storm report, Jun 7, 11:23 AM MDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
1123 AM MDT TUE JUN 07 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1015 AM     FLASH FLOOD      4 NW GLASGOW            48.24N 106.70W
06/07/2011                   VALLEY             MT   NWS EMPLOYEE

            WATER FLOWING 3 TO 5 FEET DEEP DOWN TWO COULEES ON
            PROPERTY AND THEN SEVERAL INCHES DEEP ACROSS RIVERSIDE
            DRIVE.

&&

BMOYER
Local storm report, Jun 7, 11:46 AM MDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE GLASGOW MT
1146 AM MDT TUE JUN 07 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0920 AM     FLASH FLOOD      GLASGOW                 48.20N 106.64W
06/07/2011                   VALLEY             MT   NWS EMPLOYEE

            THE DECK IS COVERED IN PEA SIZED HAIL. THE YARD HAS 5 TO
            8 INCHES OF WATER COVERING IT. THE STREETS AND SIDEWALKS
            ARE FLOODING.

0930 AM     FLASH FLOOD      GLASGOW                 48.20N 106.64W
06/07/2011                   VALLEY             MT   NWS EMPLOYEE

            HIGHWAY 2 HAS 4 TO 5 INCHES OF WATER RUNNING OVER IT.
            MOST ROADS IN TOWN ARE FLOODED WITH SOME UP TO 1 FOOT
            DEEP. THE RAILROAD UNDERPASS IS FLOODED AND HAS BEEN
            CLOSED OFF BY LAW ENFORCEMENT.

0940 AM     FLASH FLOOD      GLASGOW                 48.20N 106.64W
06/07/2011                   VALLEY             MT   NWS EMPLOYEE

            KAMPFER DRIVE IS FLOODED. KAMPFER CREEK IS SUBSTANTIALLY
            FLOODING. THERE IS STANDING WATER NEAR THE FISH AND GAME
            BUILDING.

1125 AM     HEAVY RAIN       ZORTMAN                 47.92N 108.53W
06/07/2011  E1.00 INCH       PHILLIPS           MT   911 CALL CENTER

            POURING RAIN CURRENTLY. STORM TOTAL AS OF THIS MORNING

1130 AM     HEAVY RAIN       DODSON                  48.40N 108.24W
06/07/2011  E1.10 INCH       PHILLIPS           MT   CO-OP OBSERVER

            RAIN IS POURING STILL. RAINFALL AS OF THIS MORNING.
            DODSON CREEK IS A BIT HIGHER BUT STILL WITHIN ITS BANKS.
            YARD HAS 3 TO 4 INCHES OF STANDING WATER IN SOME SPOTS.

1140 AM     HEAVY RAIN       OPHEIM                  48.86N 106.41W
06/07/2011  M1.60 INCH       VALLEY             MT   TRAINED SPOTTER

            RAIN IS STILL POURING. RAINFALL TOTAL SINCE LAST NIGHT.

&&

ASCHNETZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 10:25 PM MDTSevere Thunderstorm WarningGGWPetroleum53 min
Jun 6, 11:03 PM MDTSpecial Weather StatementGGWPhillips57 min
Jun 6, 11:45 PM MDTSpecial Weather StatementGGWValley60 min
Jun 7, 12:13 AM MDTSpecial Weather StatementGGWGarfield47 min
Jun 7, 12:18 AM MDTSpecial Weather StatementGGWValley57 min
Jun 7, 12:21 AM MDTFlash Flood WarningGGWValley4 hr
Jun 7, 12:28 AM MDTSpecial Weather StatementGGWRoosevelt62 min
Jun 7, 12:29 AM MDTFlash Flood WarningGGWRoosevelt4 hr
Jun 7, 12:43 AM MDTSevere Thunderstorm WarningGGWRoosevelt, Sheridan38 min
Jun 7, 1:00 AM MDTSpecial Weather StatementGGWSheridan60 min
Jun 7, 1:36 AM MDTFlash Flood WarningGGWRoosevelt, Valley3 hr
Jun 7, 1:44 AM MDTFlash Flood WarningGGWRoosevelt, Sheridan3 hr
Jun 7, 4:22 AM MDTAreal Flood WarningGGWDaniels, Roosevelt, Sheridan, Valley64 hr
Jun 7, 9:22 AM MDTFlash Flood WarningGGWGarfield, Valley3 hr
Jun 7, 9:24 AM MDTSpecial Weather StatementGGWValley66 min
Jun 7, 12:14 PM MDTRiver Flood WarningGGWPhillips23 hr
Jun 7, 12:14 PM MDTRiver Flood WarningGGWPhillips, Valley7 days
Jun 7, 12:14 PM MDTRiver Flood WarningGGWRoosevelt23 hr
Jun 7, 1:03 PM MDTFlash Flood WarningGGWRoosevelt, Valley4 hr

Nearby

Flash Flood Warnings in Montana, 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.