Heavy Snow in Wyoming, March 27, 2003

Name: Heavy Snow in Wyoming, March 27, 2003
Start: 2003-03-27T21:05
End: 2003-03-27T21:05
Location: Wyoming

March 27, 2003 · NWS BYZ · 1 event in 1 county or zone

1 heavy snow, as filed by the National Weather Service.

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Mar 27, 2:52 PM MST, 6 hours 13 minutes earlier.

Area forecast discussion, Mar 27, 2:52 PM MST, 6 hours 13 minutes before

SOUTH CENTRAL AND SOUTHEAST MONTANA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE BILLINGS MT
252 PM MST THU MAR 27 2003

.SHORT TERM...VALID FOR FRI AND SAT...

CORRECTED MON CCF VALUES.

PRECIP HAD BECOME CONVECTIVE THIS AFTERNOON OVER W ZONES IN UNSTABLE
AIRMASS. LATEST MSAS LI PLOT INDICATED LIFTED INDICES WERE AROUND 0 DEG
C IN THIS AREA. ACARS SOUNDING ALSO DEPICTED INSTABILITY. WILL CANCEL
WINTER STORM WARNINGS WITH NEW FORECAST PACKAGE AS ACCUMULATING SNOW
WILL BE VERY LOCALIZED AND WILL TAPER OFF AROUND SUNSET WITH LOSS OF
DAYTIME HEATING. OTHERWISE...WATER VAPOR IMAGERY SHOWED NEXT SHORTWAVE
PUSHING S THROUGH W SASKATCHEWAN THIS AFTERNOON. ETA/GFS MOVED THIS
FEATURE S ON SLIGHTLY DIFFERENT PATHS BUT BOTH BROUGHT SOME WEAK PVA TO
E ZONES AFT 06Z. SHORT LIVED ARCTIC SURGE WILL ACCOMPANY THE SHORTWAVE.
GGW/S RADAR SHOWED SOME PRECIP WITH THIS SYSTEM SO WILL CONTINUE
CHANCE/SLIGHT CHANCE POPS OVER E TONIGHT. PRECIP WILL TAPER OFF THIS
EVENING ELSEWHERE. IT WILL BECOME BREEZY IN THE E LATE TONIGHT AS
SHORTWAVE PASSES THROUGH THE AREA. PVA WILL MOVE SE OF FORECAST AREA FRI
AM AND UPPER RIDGE WILL BUILD OVER REGION IN ITS WAKE. 850 MB FLOW WILL
BECOME W DURING FRI ALLOWING AIRMASS TO DRY OUT. RAISED TEMPS A COUPLE
OF DEGREES FRI BASED ON PROGGED 850 MB TEMPS. ANOTHER SHORTWAVE WILL
CROSS THE AREA FRI NIGHT BUT AIRMASS WILL REMAIN DRY SO NO PRECIP
EXPECTED. HIGH AMPLITUDE UPPER RIDGE WILL BUILD E INTO AREA ON SAT.
AIRMASS WILL WARM UP UNDER W FLOW. HAVE RAISED TEMPS A FEW DEGREES.
ARTHUR

.LONG TERM...VALID FOR SUN...MON...TUE...WED...THU...

AMPLIFIED RIDGE AND STRONG DOWNSLOPE FLOW WILL RESULT IN WARM BREEZY
CONDITIONS FOR THE END OF THE WEEKEND AND FIRST PART OF NEXT WEEK.
TEMPERATURES LOOK TO RISE INTO THE 60S AS THICKNESS VALUES APPROACH
560DM BY MONDAY AFTERNOON. WINDS WILL BE GUSTY ON SUNDAY AND MONDAY
ESPECIALLY NEAR THE MOUNTAINS...BUT SHOULD TREND DOWN BY TUESDAY AS
PRESSURE GRADIENT RELAXES UNDER ZONAL FLOW ALOFT. THICKNESS VALUES FALL
A BIT TUESDAY AND WEDNESDAY AS UPPER LEVELS COOL OFF SOMEWHAT. HOWEVER
850-750MB LAYERS REMAIN FAIRLY WARM RESULTING IN UNSTABLE CONDITIONS
ACROSS THE AREA. WITH FLOW ALOFT SHIFTING SOUTHWESTERLY IN RESPONSE TO
ALASKAN LOW SLIDING DOWN PACIFIC COAST...WILL SEE SHOWER ACTIVITY
DEVELOP ACROSS THE REGION ESPECIALLY IN THE AFTERNOON ON TUESDAY AND
WEDNESDAY. THERE IS AN OUTSIDE CHANCE OF ISOLATED THUNDERSTORMS...
ESPECIALLY WITH STRONG SHORTWAVE ON WEDNESDAY...BUT WILL HOLD OFF THIS
FAR OUT GIVEN THE TIME OF YEAR. COLD FRONT MOVES INTO THE AREA LATE
THURSDAY WITH MODELS INDICATING A RETURN TO 30S FOR HIGHS BY LATE NEXT
WEEK. CHAMBERS

    FRI     SAT     SUN     MON     TUE     WED     THU
-----------------------------------------------------------
BIL 025/044 023/053 037/064 040/063 043/060 041/058 039/050
    20/B    00/E    00/B    00/B    03/W    33/W    30/E
LVM 022/042 023/057 042/063 045/062 045/059 043/055 041/048
    30/B    00/N    00/E    00/B    03/W    33/W    30/E
HDN 023/043 022/052 036/063 039/062 041/061 039/056 037/051
    20/U    00/B    00/B    00/B    03/W    33/W    30/E
MLS 022/042 020/051 032/062 035/062 037/059 035/056 033/048
    30/U    00/B    00/B    00/B    03/W    33/W    30/E
4BQ 023/042 021/049 032/064 035/064 039/065 037/061 035/053
    22/J    00/B    00/B    00/B    03/W    33/W    30/B
BHK 021/042 019/049 032/063 035/062 036/061 034/058 032/049
    30/U    00/B    00/B    00/B    03/W    33/W    30/E
SHR 020/042 018/053 033/059 036/058 034/062 032/057 030/051
    20/B    00/B    00/B    00/U    03/W    33/W    30/B

.BYZ...
MT...NONE.
WY...NONE.

Hazardous weather outlook, Mar 27, 2:59 PM MST, 6 hours 6 minutes before

MTZ028>042-056>058-WYZ098-099-281200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
259 PM MST THU MAR 27 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL...SOUTHEAST
MONTANA AND NORTH CENTRAL WYOMING.

.DAY ONE...
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

WCJIN-WYNW-WYNE

Event by event

1 heavy snow. Local standard time, as filed.

Heavy Snow, Northeast Bighorn Mountains

When: March 27, 9:05 PM MST
Where: Northeast Bighorn Mountains forecast zone
Reported by: TRAINED SPOTTER

16 inches of snow in Burgess Junction

What these are

Heavy Snow: Snowfall reaching the local warning threshold without the other hazards of a winter storm.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Wyoming in 2003 Every state in 2003 This day in weather history Warnings in Wyoming, March 2003

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5345491.