353  
FXUS63 KGLD 180518  
AFDGLD  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GOODLAND KS  
1118 PM MDT WED SEP 17 2025  
   
KEY MESSAGES  
 
- SCATTERED SHOWERS/STORMS MAY DEVELOP OVER SOUTHERN AND  
SOUTHWESTERN PORTIONS OF THE AREA (SOUTH OF HIGHWAY 40) THIS  
EVENING AND OVERNIGHT. RECENT TRENDS IN OBSERVATIONAL DATA AND  
HIGH-RES MODEL GUIDANCE SUGGEST THAT SEVERE WEATHER WILL  
LIKELY BE CONFINED SOUTH OF THE NWS GOODLAND COUNTY WARNING  
AREA.  
 
- BELOW AVERAGE TO NEAR AVERAGE HIGHS WILL PERSIST THROUGH  
FRIDAY. ABOVE AVERAGE TEMPERATURES WILL RETURN OVER THE  
WEEKEND, WITH HIGHS IN THE MID 80'S ON SAT-SUN.  
 
 
   
SHORT TERM /THROUGH THURSDAY/  
 
ISSUED AT 300 PM MDT WED SEP 17 2025  
 
CYCLONIC FLOW ALOFT WILL PERSIST OVER THE CENTRAL ROCKIES AND  
ADJOINING HIGH PLAINS.. ON THE SOUTHERN PERIPHERY OF A  
FRACTURED, WEST-EAST ELONGATED UPPER WAVE EXTENDING EASTWARD  
FROM SOUTHERN WY TO WESTERN NE. GUIDANCE SUGGESTS THAT THE  
WESTERN-MOST PORTION OF THIS FRACTURED WAVE -- SITUATED OVER  
SOUTHWEST WY AT 18 UTC (PER SPC MESOANALYSIS 400-250 MB POT  
VORT) -- WILL DIG SOUTHWARD THROUGH NORTHWEST CO (THIS  
AFTERNOON), ESE-SE THROUGH CENTRAL-SOUTHEAST CO (TONIGHT) THEN  
EASTWARD ALONG/NEAR THE KS-OK BORDER (THURSDAY). AN ILL-DEFINED,  
'POST-CONVECTIVE' LOW-LEVEL (MSLP TO 850 MB HEIGHT) PATTERN  
WILL PERSIST INTO THURSDAY. OVERNIGHT/EARLY MORNING CONVECTION  
AND STRATUS HAS ALTERED THE AIRMASS IN PLACE OVER MUCH OF THE  
AREA.. LIMITING DIURNAL DESTABILIZATION TO ~250-750 J/KG MLCAPE  
THIS AFTERNOON. WITH WEAK (OR ALTOGETHER ABSENT) LOW-LEVEL  
FORCING.. CONVECTIVE POTENTIAL IN THE GOODLAND CWA THIS  
AFTERNOON WILL LIKELY BE A FUNCTION OF UPSTREAM DEVELOPMENT  
ALONG THE HIGHER TERRAIN IN CO /I-25 CORRIDOR/. CURRENT AND  
RECENT RUNS OF THE HRRR AND NAM NEST APPEAR TO SUPPORT THIS LINE  
OF REASONING. SEVERE WEATHER POTENTIAL WILL, MORE LIKELY THAN  
NOT, BE ASSOCIATED WITH UPSTREAM DEVELOPMENT ALONG THE I-25  
CORRIDOR LATE THIS AFT AND EARLY THIS EVE (~00-04 UTC, 6-10 PM  
MDT). RADAR/SATELLITE TRENDS SUGGEST THAT AFTERNOON DEVELOPMENT  
WILL MOST LIKELY OCCUR ALONG/SOUTH OF COLORADO SPRINGS. GIVEN  
THAT RIGHT-MOVER MOTION IS FROM THE WNW-NW (~295-325 DEG) AT  
15-25 KNOTS.. ANY CYCLONIC UPDRAFT(S) WOULD LIKELY REMAIN S AND  
SW OF THE GOODLAND CWA. DPVA ASSOCIATED WITH THE UPPER WAVE  
DIGGING ESE-SE THROUGH CENTRAL-SOUTHEAST CO LATE THIS EVENING  
AND OVERNIGHT MAY WELL FOSTER CONVECTIVE DEVELOPMENT UPSTREAM-OF  
AND/OR DIRECTLY OVER PORTIONS OF THE GOODLAND CWA IN THE ~04-12  
UTC TIME FRAME.. MAINLY SOUTH OF I-70 (IN CLOSER VICINITY TO  
THE TRACK OF THE UPPER WAVE). PRECIP CHANCES WILL END FROM WEST-  
EAST IN THE WAKE OF THE SHORTWAVE (AFTER SUNRISE THU).. WITH  
DRY CONDITIONS LIKELY TO PREVAIL THEREAFTER.  
 
 
   
LONG TERM /THURSDAY NIGHT THROUGH WEDNESDAY/  
 
ISSUED AT 300 PM MDT WED SEP 17 2025  
 
FRI-SAT: EXPECT PREDOMINANTLY DRY CONDITIONS AND A WARMING  
TREND.. AS SHORTWAVE RIDGING SUPPLANTS CYCLONIC FLOW ALOFT OVER  
THE REGION.  
 
SUN-TUE: GUIDANCE SUGGESTS A TRANSITION TO WNW-NW FLOW ALOFT  
WILL OCCUR LATE THIS WEEKEND AND EARLY NEXT WEEK. IF THIS IS THE  
CASE, ONE WOULD EXPECT A MORE ACTIVE PATTERN WITH ABOVE AVERAGE  
CHANCES FOR CONVECTION.  
 
 
   
AVIATION /06Z TAFS THROUGH 06Z FRIDAY/  
 
ISSUED AT 1116 PM MDT WED SEP 17 2025  
 
A THUNDERSTORM NEAR KGLD WILL PRODUCE SOME VICINITY LIGHTNING  
STRIKES FOR THE NEXT HOUR, THEN MOVE OUT OF THE AREA.  
AFTERWARDS, VFR EXPECTED TO PREVAIL AT BOTH KGLD AND KMCK  
THROUGH THE REMAINDER OF THE TAF PERIOD.  
 
 
   
GLD WATCHES/WARNINGS/ADVISORIES  
 
KS...NONE.  
CO...NONE.  
NE...NONE.  
 
 
 
 
 
SHORT TERM...VINCENT  
LONG TERM...CA  
AVIATION...024  
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