050  
FNUS73 KLBF 061233  
FWSLBF  
 
SPOT FORECAST FOR NORTH MOORE VALLEY RX...USFWS  
NATIONAL WEATHER SERVICE NORTH PLATTE NE  
733 AM CDT THU MAY 6 2021  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON MAY 06.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL  
WEATHER SERVICE.  
 
PLEASE CONTACT THE NWS NORTH PLATTE OFFICE AT (308) 532-0921  
(OR 1-800-603-3562), IF YOU HAVE QUESTIONS OR CONCERNS WITH  
THIS FORECAST.  
   
DISCUSSION
 
 
SURFACE HIGH PRESSURE WILL PROVIDE FAIR CONDITIONS AND A LIGHT  
WEST/NORTHWEST BREEZE TODAY. POTENTIAL EXISTS FOR SOME SLIGHTLY STRONGER  
WINDS IN THE MID ATMOSPHERE TO WORK DOWN TO THE SURFACE THIS  
AFTERNOON. IF THAT OCCURS, SPORADIC GUSTS OF 15 TO 20 MPH ARE  
POSSIBLE. HUMIDITY VALUES SHOULD BOTTOM OUT AROUND 25 PERCENT LATE  
AFTERNOON, ALTHOUGH DOWNSLOPE WINDS MAY RESULT IN LOCALIZED  
WARMER AND DRIER CONDITIONS THAN FORECAST. THE THREAT OF CRITICAL  
CONDITIONS IS LOW.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........24 PERCENT.  
EYE LEVEL WINDS.....WEST WINDS UP TO 5 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS 6 TO 7 MPH.  
MIXING HEIGHT.......7500 FT AGL.  
TRANSPORT WINDS.....WEST 8 TO 10 MPH.  
HAINES INDEX........4 TO 5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
TIME (MDT) 10A 11A 12P 1PM 2PM 3PM 4PM  
SKY (%).........11 11 10 14 17 21 20  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
LAL.............1 1 1 1 1 1 1  
TEMP............54 58 61 63 66 68 69  
RH..............52 42 36 32 29 27 25  
20 FT WIND DIR..W W W W W W W  
20 FT WIND SPD..6 6 6 7 7 6 6  
20 FT WIND GUST.7 7 10 10 10 10 10  
EYE LVL WND DIR.W W W W W W W  
EYE LVL WND SPD.4 4 4 5 5 4 4  
EYE LVL WND GST.5 5 7 8 8 7 7  
MIX HGT (KFT)...4.3 5.2 6.1 6.6 7.0 7.5 7.3  
TRANSP WIND DIR.NW W W W W W W  
TRANSP WIND SPD.10 9 9 10 10 10 8  
HAINES INDEX....4 4 5 5 5 5 5  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........82 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 4 MPH SHIFTING TO THE  
SOUTHEAST UP TO 5 MPH IN THE LATE EVENING AND  
OVERNIGHT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 6 MPH SHIFTING TO THE  
SOUTHEAST 6 TO 7 MPH IN THE LATE EVENING AND  
OVERNIGHT.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 7 MPH SHIFTING TO THE SOUTHEAST  
5 TO 9 MPH IN THE LATE EVENING AND OVERNIGHT.  
HAINES INDEX........4 TO 5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
TIME (MDT) 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM  
SKY (%).........20 19 15 11 7 7 8 9 7 6 4 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............70 69 65 60 56 53 50 49 48 46 44 42  
RH..............24 26 31 39 47 52 58 61 63 68 73 76  
20 FT WIND DIR..W SW SW S SE SE SE SE SE SE SE SE  
20 FT WIND SPD..6 6 6 6 6 6 6 6 6 7 7 7  
20 FT WIND GUST.10 7 7 7 7 8 8 8 10 10 11 10  
EYE LVL WND DIR.W SW SW S SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.4 4 4 4 4 4 4 4 4 5 5 5  
EYE LVL WND GST.7 5 5 5 5 6 6 6 7 8 8 8  
MIX HGT (KFT)...7.1 6.9 4.6 2.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.W W SW S SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.7 5 5 5 6 6 7 7 8 9 9 9  
HAINES INDEX....5 5 5 5 5 5 5 4 4 4 4 4  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 78.  
MIN HUMIDITY........29 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 11 MPH WITH GUSTS TO  
AROUND 16 MPH INCREASING TO AROUND 12 MPH WITH  
GUSTS TO AROUND 17 MPH LATE IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 6 TO 15 MPH WITH GUSTS TO  
AROUND 21 MPH INCREASING TO AROUND 16 MPH WITH  
GUSTS TO AROUND 22 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......4900 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 17 MPH.  
HAINES INDEX........3 TO 4 OR LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
TIME (MDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM  
SKY (%).........4 4 4 4 4 4 5 6 10 14 17 27  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............40 41 44 50 57 62 67 71 74 76 78 78  
RH..............82 82 76 66 55 48 42 38 34 31 29 29  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..6 6 6 8 9 10 11 12 13 15 15 16  
20 FT WIND GUST.10 8 10 11 13 14 16 17 18 20 21 22  
EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.4 4 4 6 7 8 8 9 10 11 11 12  
EYE LVL WND GST.7 6 7 8 10 10 12 13 14 15 16 17  
MIX HGT (KFT)...0.1 0.1 0.6 1.1 1.6 2.3 3.0 3.7 4.1 4.5 4.9 4.9  
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.8 8 9 12 13 14 14 14 15 15 16 17  
HAINES INDEX....4 3 3 3 3 3 3 4 4 4 4 4  
 

 
FORECASTER...SNIVELY  
REQUESTED BY...CHRIS MASSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2111757.0/LBF  
.DELDT 05/06/21  
.FORMATTERVERSION 1.0.26  
.EMAIL CHRIS_MASSON@FWS.GOV  
 
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